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97873638 = 2316312273
BaseRepresentation
bin1011101010101…
…10111011100110
320211011111101120
411311112323212
5200023424023
613413434410
72265624612
oct565267346
9224144346
1097873638
1150279a05
122893ba06
131737a9c5
14cdda342
1588d48e3
hex5d56ee6

97873638 has 8 divisors (see below), whose sum is σ = 195747288. Its totient is φ = 32624544.

The previous prime is 97873627. The next prime is 97873661. The reversal of 97873638 is 83637879.

It is a sphenic number, since it is the product of 3 distinct primes.

97873638 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8156131 + ... + 8156142.

It is an arithmetic number, because the mean of its divisors is an integer number (24468411).

Almost surely, 297873638 is an apocalyptic number.

97873638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

97873638 is a wasteful number, since it uses less digits than its factorization.

97873638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16312278.

The product of its digits is 1524096, while the sum is 51.

The square root of 97873638 is about 9893.1106331629. The cubic root of 97873638 is about 460.8453861696.

The spelling of 97873638 in words is "ninety-seven million, eight hundred seventy-three thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 16312273 32624546 48936819 97873638