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252252304000 = 275315765769
BaseRepresentation
bin1110101011101101101…
…0001011001010000000
3220010002220012202100221
43222323122023022000
513113103042212000
6311514430152424
724140022130504
oct3527332131200
9803086182327
10252252304000
1197a85938614
1240a7a952714
131aa308a4558
14c2cd9c6304
15686591861a
hex3abb68b280

252252304000 has 64 divisors (see below), whose sum is σ = 627162330600. Its totient is φ = 100900915200.

The previous prime is 252252303997. The next prime is 252252304097. The reversal of 252252304000 is 403252252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19303212096 + 232949091904 = 138936^2 + 482648^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7866885 + ... + 7898884.

Almost surely, 2252252304000 is an apocalyptic number.

252252304000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252252304000 is an abundant number, since it is smaller than the sum of its proper divisors (374910026600).

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

252252304000 is an equidigital number, since it uses as much as digits as its factorization.

252252304000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15765798 (or 15765776 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 252252304000 its reverse (403252252), we get a palindrome (252655556252).

The spelling of 252252304000 in words is "two hundred fifty-two billion, two hundred fifty-two million, three hundred four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 640 800 1000 1600 2000 3200 4000 8000 16000 15765769 31531538 63063076 78828845 126126152 157657690 252252304 315315380 394144225 504504608 630630760 788288450 1009009216 1261261520 1576576900 1970721125 2018018432 2522523040 3153153800 3941442250 5045046080 6306307600 7882884500 10090092160 12612615200 15765769000 25225230400 31531538000 50450460800 63063076000 126126152000 252252304000