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97145488 = 2411551963
BaseRepresentation
bin1011100101001…
…01001010010000
320202210111120001
411302211022100
5144332123423
613350055344
72256502666
oct562451220
9222714501
1097145488
114a921930
122864a554
131718444b
14cc8ac36
1587ddcad
hex5ca5290

97145488 has 20 divisors (see below), whose sum is σ = 205330608. Its totient is φ = 44156960.

The previous prime is 97145483. The next prime is 97145507. The reversal of 97145488 is 88454179.

It is not an unprimeable number, because it can be changed into a prime (97145483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275806 + ... + 276157.

Almost surely, 297145488 is an apocalyptic number.

It is an amenable number.

97145488 is an abundant number, since it is smaller than the sum of its proper divisors (108185120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97145488 is a wasteful number, since it uses less digits than its factorization.

97145488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551982 (or 551976 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 97145488 is about 9856.2410684804. The cubic root of 97145488 is about 459.6996905651.

The spelling of 97145488 in words is "ninety-seven million, one hundred forty-five thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 551963 1103926 2207852 4415704 6071593 8831408 12143186 24286372 48572744 97145488