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97968590 = 2513970481
BaseRepresentation
bin1011101011011…
…10000111001110
320211100022122022
411311232013032
5200034443330
613415450142
72266501466
oct565560716
9224308568
1097968590
1150334285
1228986952
13173b1ca5
14d022ba6
158902ae5
hex5d6e1ce

97968590 has 16 divisors (see below), whose sum is σ = 177614640. Its totient is φ = 38904960.

The previous prime is 97968589. The next prime is 97968599. The reversal of 97968590 is 9586979.

It is a super-3 number, since 3×979685903 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97968599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33851 + ... + 36630.

It is an arithmetic number, because the mean of its divisors is an integer number (11100915).

Almost surely, 297968590 is an apocalyptic number.

97968590 is a deficient number, since it is larger than the sum of its proper divisors (79646050).

97968590 is a wasteful number, since it uses less digits than its factorization.

97968590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70627.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 97968590 is about 9897.9083649022. The cubic root of 97968590 is about 460.9943675466.

The spelling of 97968590 in words is "ninety-seven million, nine hundred sixty-eight thousand, five hundred ninety".

Divisors: 1 2 5 10 139 278 695 1390 70481 140962 352405 704810 9796859 19593718 48984295 97968590