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258533400 = 233521074027
BaseRepresentation
bin11110110100011…
…10100000011000
3200000110212011010
433122032200120
51012141032100
641353133520
76256332456
oct1732164030
9600425133
10258533400
11122a31a74
12726ba2a0
134173c858
142649b9d6
1517a6c750
hexf68e818

258533400 has 96 divisors (see below), whose sum is σ = 809144640. Its totient is φ = 68280960.

The previous prime is 258533377. The next prime is 258533411. The reversal of 258533400 is 4335852.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62187 + ... + 66213.

It is an arithmetic number, because the mean of its divisors is an integer number (8428590).

Almost surely, 2258533400 is an apocalyptic number.

258533400 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 258533400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404572320).

258533400 is an abundant number, since it is smaller than the sum of its proper divisors (550611240).

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

258533400 is a wasteful number, since it uses less digits than its factorization.

258533400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153 (or 4144 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 258533400 is about 16078.9738478548. The cubic root of 258533400 is about 637.0480918783.

The spelling of 258533400 in words is "two hundred fifty-eight million, five hundred thirty-three thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 107 120 150 200 214 300 321 428 535 600 642 856 1070 1284 1605 2140 2568 2675 3210 4027 4280 5350 6420 8025 8054 10700 12081 12840 16050 16108 20135 21400 24162 32100 32216 40270 48324 60405 64200 80540 96648 100675 120810 161080 201350 241620 302025 402700 430889 483240 604050 805400 861778 1208100 1292667 1723556 2154445 2416200 2585334 3447112 4308890 5170668 6463335 8617780 10341336 10772225 12926670 17235560 21544450 25853340 32316675 43088900 51706680 64633350 86177800 129266700 258533400