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113902457 is a prime number
BaseRepresentation
bin1101100101000…
…00001101111001
321221022211210112
412302200031321
5213124334312
615145154105
72552104064
oct662401571
9257284715
10113902457
1159327669
123218b935
131a7a0706
14111ad8db
159eedd22
hex6ca0379

113902457 has 2 divisors, whose sum is σ = 113902458. Its totient is φ = 113902456.

The previous prime is 113902427. The next prime is 113902483. The reversal of 113902457 is 754209311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61136761 + 52765696 = 7819^2 + 7264^2 .

It is an emirp because it is prime and its reverse (754209311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113902457 - 210 = 113901433 is a prime.

It is not a weakly prime, because it can be changed into another prime (113902427) by changing a digit.

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 as a sum of consecutive naturals, namely, 56951228 + 56951229.

It is an arithmetic number, because the mean of its divisors is an integer number (56951229).

Almost surely, 2113902457 is an apocalyptic number.

It is an amenable number.

113902457 is a deficient number, since it is larger than the sum of its proper divisors (1).

113902457 is an equidigital number, since it uses as much as digits as its factorization.

113902457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 113902457 is about 10672.5094050087. The cubic root of 113902457 is about 484.7424246076.

The spelling of 113902457 in words is "one hundred thirteen million, nine hundred two thousand, four hundred fifty-seven".