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96931639 = 743931543
BaseRepresentation
bin1011100011100…
…00111100110111
320202101122012201
411301300330313
5144303303024
613341325331
72254622350
oct561607467
9222348181
1096931639
114a7961a2
1228566847
131710accc
14cc32d27
15879a744
hex5c70f37

96931639 has 8 divisors (see below), whose sum is σ = 111034880. Its totient is φ = 82892376.

The previous prime is 96931567. The next prime is 96931649. The reversal of 96931639 is 93613969.

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

It is a de Polignac number, because none of the positive numbers 2k-96931639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96931649) by changing a digit.

It is a Zeisel number, with parameters (72, -65).

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12699 + ... + 18844.

It is an arithmetic number, because the mean of its divisors is an integer number (13879360).

Almost surely, 296931639 is an apocalyptic number.

96931639 is a deficient number, since it is larger than the sum of its proper divisors (14103241).

96931639 is a wasteful number, since it uses less digits than its factorization.

96931639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31989.

The product of its digits is 236196, while the sum is 46.

The square root of 96931639 is about 9845.3866861592. The cubic root of 96931639 is about 459.3621262778.

The spelling of 96931639 in words is "ninety-six million, nine hundred thirty-one thousand, six hundred thirty-nine".

Divisors: 1 7 439 3073 31543 220801 13847377 96931639