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87295054 = 2711566851
BaseRepresentation
bin1010011010000…
…00010001001110
320002021001022011
411031000101032
5134321420204
612355011434
72106665350
oct515002116
9202231264
1087295054
1145304080
1225299b7a
13151159a2
14b8450d0
1579e5304
hex534044e

87295054 has 16 divisors (see below), whose sum is σ = 163253376. Its totient is φ = 34011000.

The previous prime is 87295049. The next prime is 87295057. The reversal of 87295054 is 45059278.

It is a junction number, because it is equal to n+sod(n) for n = 87294998 and 87295016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87295057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283272 + ... + 283579.

It is an arithmetic number, because the mean of its divisors is an integer number (10203336).

Almost surely, 287295054 is an apocalyptic number.

87295054 is a deficient number, since it is larger than the sum of its proper divisors (75958322).

87295054 is a wasteful number, since it uses less digits than its factorization.

87295054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566871.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 87295054 is about 9343.1822202074. The cubic root of 87295054 is about 443.6051158560.

The spelling of 87295054 in words is "eighty-seven million, two hundred ninety-five thousand, fifty-four".

Divisors: 1 2 7 11 14 22 77 154 566851 1133702 3967957 6235361 7935914 12470722 43647527 87295054