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987364404 = 22351378139
BaseRepresentation
bin111010110110011…
…111110000110100
32112210220022100000
4322312133300310
54010231130104
6241550351300
733316313265
oct7266376064
92483808300
10987364404
11467383544
122367bb530
13129734ac0
14951bc96c
155ba37639
hex3ad9fc34

987364404 has 72 divisors (see below), whose sum is σ = 2787410080. Its totient is φ = 303800544.

The previous prime is 987364373. The next prime is 987364453. The reversal of 987364404 is 404463789.

It is a self number, because there is not a number n which added to its sum of digits gives 987364404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26434 + ... + 51705.

Almost surely, 2987364404 is an apocalyptic number.

It is an amenable number.

987364404 is an abundant number, since it is smaller than the sum of its proper divisors (1800045676).

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

987364404 is a wasteful number, since it uses less digits than its factorization.

987364404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78171 (or 78157 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 987364404 is about 31422.3551631637. The cubic root of 987364404 is about 995.7702692688.

The spelling of 987364404 in words is "nine hundred eighty-seven million, three hundred sixty-four thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 234 243 324 351 468 486 702 972 1053 1404 2106 3159 4212 6318 12636 78139 156278 234417 312556 468834 703251 937668 1015807 1406502 2031614 2109753 2813004 3047421 4063228 4219506 6094842 6329259 8439012 9142263 12189684 12658518 18284526 18987777 25317036 27426789 36569052 37975554 54853578 75951108 82280367 109707156 164560734 246841101 329121468 493682202 987364404