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97925169 = 332641723
BaseRepresentation
bin1011101011000…
…11100000110001
320211021010002010
411311203200301
5200032101134
613414513133
72266231056
oct565434061
9224233063
1097925169
11503046a1
12289657a9
13173982b4
14d01102d
1588e4ce9
hex5d63831

97925169 has 4 divisors (see below), whose sum is σ = 130566896. Its totient is φ = 65283444.

The previous prime is 97925153. The next prime is 97925197. The reversal of 97925169 is 96152979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 97925169 - 24 = 97925153 is a prime.

It is a super-2 number, since 2×979251692 = 19178677447357122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97925369) 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 in 3 ways as a sum of consecutive naturals, for example, 16320859 + ... + 16320864.

It is an arithmetic number, because the mean of its divisors is an integer number (32641724).

Almost surely, 297925169 is an apocalyptic number.

It is an amenable number.

97925169 is a deficient number, since it is larger than the sum of its proper divisors (32641727).

97925169 is a wasteful number, since it uses less digits than its factorization.

97925169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32641726.

The product of its digits is 306180, while the sum is 48.

The square root of 97925169 is about 9895.7146785869. The cubic root of 97925169 is about 460.9262511758.

It can be divided in two parts, 9792516 and 9, that added together give a triangular number (9792525 = T4425).

The spelling of 97925169 in words is "ninety-seven million, nine hundred twenty-five thousand, one hundred sixty-nine".

Divisors: 1 3 32641723 97925169