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97880838 = 23111483043
BaseRepresentation
bin1011101010110…
…00101100000110
320211011212021020
411311120230012
5200024141323
613413532010
72265654606
oct565305406
9224155236
1097880838
1150284360
1228944006
1317381073
14cddcc06
1588d6ae3
hex5d58b06

97880838 has 16 divisors (see below), whose sum is σ = 213558336. Its totient is φ = 29660840.

The previous prime is 97880831. The next prime is 97880851. The reversal of 97880838 is 83808879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97880831) 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 7 ways as a sum of consecutive naturals, for example, 741456 + ... + 741587.

It is an arithmetic number, because the mean of its divisors is an integer number (13347396).

Almost surely, 297880838 is an apocalyptic number.

97880838 is an abundant number, since it is smaller than the sum of its proper divisors (115677498).

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

97880838 is a wasteful number, since it uses less digits than its factorization.

97880838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483059.

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 97880838 is about 9893.4745160636. The cubic root of 97880838 is about 460.8566864731.

The spelling of 97880838 in words is "ninety-seven million, eight hundred eighty thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 1483043 2966086 4449129 8898258 16313473 32626946 48940419 97880838