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189952800 = 2535279147
BaseRepresentation
bin10110101001001…
…11001100100000
3111020102121020220
423110213030200
5342111442200
630503203040
74464400152
oct1324471440
9436377226
10189952800
1198250394
1253746480
133047a10b
141b328ad2
1511a224a0
hexb527320

189952800 has 72 divisors (see below), whose sum is σ = 618304176. Its totient is φ = 50653440.

The previous prime is 189952793. The next prime is 189952811. The reversal of 189952800 is 8259981.

It is a happy number.

189952800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37174 + ... + 41973.

It is an arithmetic number, because the mean of its divisors is an integer number (8587558).

Almost surely, 2189952800 is an apocalyptic number.

189952800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189952800 is an abundant number, since it is smaller than the sum of its proper divisors (428351376).

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

189952800 is a wasteful number, since it uses less digits than its factorization.

189952800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79170 (or 79157 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 189952800 is about 13782.3365217948. The cubic root of 189952800 is about 574.8420990498.

The spelling of 189952800 in words is "one hundred eighty-nine million, nine hundred fifty-two thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 1200 2400 79147 158294 237441 316588 395735 474882 633176 791470 949764 1187205 1266352 1582940 1899528 1978675 2374410 2532704 3165880 3799056 3957350 4748820 5936025 6331760 7598112 7914700 9497640 11872050 12663520 15829400 18995280 23744100 31658800 37990560 47488200 63317600 94976400 189952800