Search a number
-
+
30432000 = 28353317
BaseRepresentation
bin111010000010…
…1101100000000
32010021002212010
41310011230000
530242311000
63004132520
7516445014
oct164055400
963232763
1030432000
11161a6015
12a237140
1363c6801
144082544
152a11d50
hex1d05b00

30432000 has 144 divisors (see below), whose sum is σ = 101398752. Its totient is φ = 8089600.

The previous prime is 30431981. The next prime is 30432011. The reversal of 30432000 is 23403.

It is a super-2 number, since 2×304320002 = 1852213248000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95842 + ... + 96158.

It is an arithmetic number, because the mean of its divisors is an integer number (704158).

Almost surely, 230432000 is an apocalyptic number.

30432000 is a gapful number since it is divisible by the number (30) 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 30432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50699376).

30432000 is an abundant number, since it is smaller than the sum of its proper divisors (70966752).

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

30432000 is an equidigital number, since it uses as much as digits as its factorization.

30432000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 30432000 is about 5516.5206425790. The cubic root of 30432000 is about 312.2076198630.

Adding to 30432000 its reverse (23403), we get a palindrome (30455403).

It can be divided in two parts, 30 and 432000, that multiplied together give a 4-th power (12960000 = 604).

The spelling of 30432000 in words is "thirty million, four hundred thirty-two thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 128 150 160 192 200 240 250 256 300 317 320 375 384 400 480 500 600 634 640 750 768 800 951 960 1000 1200 1268 1280 1500 1585 1600 1902 1920 2000 2400 2536 3000 3170 3200 3804 3840 4000 4755 4800 5072 6000 6340 6400 7608 7925 8000 9510 9600 10144 12000 12680 15216 15850 16000 19020 19200 20288 23775 24000 25360 30432 31700 32000 38040 39625 40576 47550 48000 50720 60864 63400 76080 79250 81152 95100 96000 101440 118875 121728 126800 152160 158500 190200 202880 237750 243456 253600 304320 317000 380400 405760 475500 507200 608640 634000 760800 951000 1014400 1217280 1268000 1521600 1902000 2028800 2536000 3043200 3804000 5072000 6086400 7608000 10144000 15216000 30432000