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96684987 = 3728112
BaseRepresentation
bin1011100001101…
…00101110111011
320201221002212110
411300310232323
5144222404422
613332143403
72252544300
oct560645673
9221832773
1096684987
114a637953
1228467b63
1317052969
14cbab0a7
15874c60c
hex5c34bbb

96684987 has 18 divisors (see below), whose sum is σ = 150145524. Its totient is φ = 55180440.

The previous prime is 96684979. The next prime is 96684989. The reversal of 96684987 is 78948669.

It is not a de Polignac number, because 96684987 - 23 = 96684979 is a prime.

It is a super-2 number, since 2×966849872 = 18695973422380338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (96684989) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 118812 + ... + 119622.

It is an arithmetic number, because the mean of its divisors is an integer number (8341418).

Almost surely, 296684987 is an apocalyptic number.

96684987 is a deficient number, since it is larger than the sum of its proper divisors (53460537).

96684987 is an frugal number, since it uses more digits than its factorization.

96684987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639 (or 821 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 96684987 is about 9832.8524345685. The cubic root of 96684987 is about 458.9721647627.

It can be divided in two parts, 9 and 6684987, that added together give a triangular number (6684996 = T3656).

The spelling of 96684987 in words is "ninety-six million, six hundred eighty-four thousand, nine hundred eighty-seven".

Divisors: 1 3 7 21 49 147 811 2433 5677 17031 39739 119217 657721 1973163 4604047 13812141 32228329 96684987