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252373797 = 32132157041
BaseRepresentation
bin11110000101011…
…10101100100101
3122120212220202200
433002232230211
51004101430142
641013125113
76153066444
oct1702565445
9576786680
10252373797
1111a505195
1270629799
1340394010
1425736d5b
151725264c
hexf0aeb25

252373797 has 12 divisors (see below), whose sum is σ = 392581644. Its totient is φ = 155306880.

The previous prime is 252373787. The next prime is 252373811. The reversal of 252373797 is 797373252.

252373797 is a `hidden beast` number, since 2 + 523 + 7 + 37 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 157778721 + 94595076 = 12561^2 + 9726^2 .

It is a de Polignac number, because none of the positive numbers 2k-252373797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252373777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078404 + ... + 1078637.

It is an arithmetic number, because the mean of its divisors is an integer number (32715137).

Almost surely, 2252373797 is an apocalyptic number.

It is an amenable number.

252373797 is a deficient number, since it is larger than the sum of its proper divisors (140207847).

252373797 is a wasteful number, since it uses less digits than its factorization.

252373797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157060 (or 2157057 counting only the distinct ones).

The product of its digits is 555660, while the sum is 45.

The square root of 252373797 is about 15886.2770024950. The cubic root of 252373797 is about 631.9481118606.

The spelling of 252373797 in words is "two hundred fifty-two million, three hundred seventy-three thousand, seven hundred ninety-seven".

Divisors: 1 3 9 13 39 117 2157041 6471123 19413369 28041533 84124599 252373797