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252451355 = 5132298759
BaseRepresentation
bin11110000110000…
…01101000011011
3122121000212011012
433003001220123
51004111420410
641014524135
76153541532
oct1703015033
9577025135
10252451355
1111a558492
127066664b
13403c0400
1425757319
151726a605
hexf0c1a1b

252451355 has 12 divisors (see below), whose sum is σ = 328038480. Its totient is φ = 186424992.

The previous prime is 252451337. The next prime is 252451369. The reversal of 252451355 is 553154252.

It is not a de Polignac number, because 252451355 - 220 = 251402779 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 148535 + ... + 150224.

It is an arithmetic number, because the mean of its divisors is an integer number (27336540).

Almost surely, 2252451355 is an apocalyptic number.

252451355 is a deficient number, since it is larger than the sum of its proper divisors (75587125).

252451355 is a wasteful number, since it uses less digits than its factorization.

252451355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298790 (or 298777 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 252451355 is about 15888.7178526148. The cubic root of 252451355 is about 632.0128407301.

The spelling of 252451355 in words is "two hundred fifty-two million, four hundred fifty-one thousand, three hundred fifty-five".

Divisors: 1 5 13 65 169 845 298759 1493795 3883867 19419335 50490271 252451355