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87100704 = 2533100811
BaseRepresentation
bin1010011000100…
…00110100100000
320001220011201000
411030100310200
5134244210304
612350512000
72105225625
oct514206440
9201804630
1087100704
1145191059
1225205600
13150783a2
14b7d434c
1579a7939
hex5310d20

87100704 has 48 divisors (see below), whose sum is σ = 254046240. Its totient is φ = 29033280.

The previous prime is 87100691. The next prime is 87100723. The reversal of 87100704 is 40700178.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49542 + ... + 51269.

It is an arithmetic number, because the mean of its divisors is an integer number (5292630).

Almost surely, 287100704 is an apocalyptic number.

It is an amenable number.

87100704 is an abundant number, since it is smaller than the sum of its proper divisors (166945536).

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

87100704 is a wasteful number, since it uses less digits than its factorization.

87100704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100830 (or 100816 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 87100704 is about 9332.7757928711. The cubic root of 87100704 is about 443.2756633799.

The spelling of 87100704 in words is "eighty-seven million, one hundred thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 100811 201622 302433 403244 604866 806488 907299 1209732 1612976 1814598 2419464 2721897 3225952 3629196 4838928 5443794 7258392 9677856 10887588 14516784 21775176 29033568 43550352 87100704