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87914630 = 2573120431
BaseRepresentation
bin1010011110101…
…11100010000110
320010102112012102
411033113202012
5140001232010
612420152102
72115155606
oct517274206
9203375172
1087914630
1145697621
1225538632
13152a19bb
14b966c06
157ab8ba5
hex53d7886

87914630 has 16 divisors (see below), whose sum is σ = 160415424. Its totient is φ = 34683840.

The previous prime is 87914611. The next prime is 87914641. The reversal of 87914630 is 3641978.

It is a Curzon number.

It is a congruent number.

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, 59486 + ... + 60945.

It is an arithmetic number, because the mean of its divisors is an integer number (10025964).

Almost surely, 287914630 is an apocalyptic number.

87914630 is a deficient number, since it is larger than the sum of its proper divisors (72500794).

87914630 is a wasteful number, since it uses less digits than its factorization.

87914630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120511.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 87914630 is about 9376.2801792609. The cubic root of 87914630 is about 444.6521373494.

The spelling of 87914630 in words is "eighty-seven million, nine hundred fourteen thousand, six hundred thirty".

Divisors: 1 2 5 10 73 146 365 730 120431 240862 602155 1204310 8791463 17582926 43957315 87914630