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97944025 = 523917761
BaseRepresentation
bin1011101011010…
…00000111011001
320211022001221111
411311220013121
5200033202100
613415140321
72266340044
oct565500731
9224261844
1097944025
1150317883
12289746a1
13173a3a5a
14d017c5b
1588ea6ba
hex5d681d9

97944025 has 6 divisors (see below), whose sum is σ = 121450622. Its totient is φ = 78355200.

The previous prime is 97944023. The next prime is 97944059. The reversal of 97944025 is 52044979.

It can be written as a sum of positive squares in 3 ways, for example, as 14714896 + 83229129 = 3836^2 + 9123^2 .

It is not a de Polignac number, because 97944025 - 21 = 97944023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97944023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1958856 + ... + 1958905.

Almost surely, 297944025 is an apocalyptic number.

It is an amenable number.

97944025 is a deficient number, since it is larger than the sum of its proper divisors (23506597).

97944025 is a wasteful number, since it uses less digits than its factorization.

97944025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917771 (or 3917766 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 97944025 is about 9896.6673683619. The cubic root of 97944025 is about 460.9558338585.

The spelling of 97944025 in words is "ninety-seven million, nine hundred forty-four thousand, twenty-five".

Divisors: 1 5 25 3917761 19588805 97944025