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256234000 = 24531119613
BaseRepresentation
bin11110100010111…
…01001000010000
3122212011000222011
433101131020100
51011043442000
641231552304
76230644621
oct1721351020
9585130864
10256234000
11121701440
127198b694
1341116069
142605da48
15177662ba
hexf45d210

256234000 has 160 divisors (see below), whose sum is σ = 712632960. Its totient is φ = 88128000.

The previous prime is 256233931. The next prime is 256234037. The reversal of 256234000 is 432652.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417694 + ... + 418306.

It is an arithmetic number, because the mean of its divisors is an integer number (4453956).

Almost surely, 2256234000 is an apocalyptic number.

256234000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256234000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356316480).

256234000 is an abundant number, since it is smaller than the sum of its proper divisors (456398960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256234000 is a wasteful number, since it uses less digits than its factorization.

256234000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 256234000 is about 16007.3108297428. The cubic root of 256234000 is about 635.1538263742.

Adding to 256234000 its reverse (432652), we get a palindrome (256666652).

It can be divided in two parts, 256 and 234000, that added together give a 4-th power (234256 = 224).

The spelling of 256234000 in words is "two hundred fifty-six million, two hundred thirty-four thousand".

Divisors: 1 2 4 5 8 10 11 16 19 20 22 25 38 40 44 50 55 76 80 88 95 100 110 125 152 176 190 200 209 220 250 275 304 380 400 418 440 475 500 550 613 760 836 880 950 1000 1045 1100 1226 1375 1520 1672 1900 2000 2090 2200 2375 2452 2750 3065 3344 3800 4180 4400 4750 4904 5225 5500 6130 6743 7600 8360 9500 9808 10450 11000 11647 12260 13486 15325 16720 19000 20900 22000 23294 24520 26125 26972 30650 33715 38000 41800 46588 49040 52250 53944 58235 61300 67430 76625 83600 93176 104500 107888 116470 122600 128117 134860 153250 168575 186352 209000 232940 245200 256234 269720 291175 306500 337150 418000 465880 512468 539440 582350 613000 640585 674300 842875 931760 1024936 1164700 1226000 1281170 1348600 1455875 1685750 2049872 2329400 2562340 2697200 2911750 3202925 3371500 4658800 5124680 5823500 6405850 6743000 10249360 11647000 12811700 13486000 16014625 23294000 25623400 32029250 51246800 64058500 128117000 256234000