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87295 = 5131779
BaseRepresentation
bin10101010011111111
311102202011
4111103333
510243140
61512051
7512335
oct252377
9142664
1087295
115a64a
1242627
1330970
1423b55
151acea
hex154ff

87295 has 16 divisors (see below), whose sum is σ = 120960. Its totient is φ = 59904.

The previous prime is 87293. The next prime is 87299. The reversal of 87295 is 59278.

It is not a de Polignac number, because 87295 - 21 = 87293 is a prime.

It is a d-powerful number, because it can be written as 83 + 72 + 211 + 94 + 57 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1066 + ... + 1144.

It is an arithmetic number, because the mean of its divisors is an integer number (7560).

287295 is an apocalyptic number.

87295 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

87295 is a deficient number, since it is larger than the sum of its proper divisors (33665).

87295 is a wasteful number, since it uses less digits than its factorization.

87295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114.

The product of its digits is 5040, while the sum is 31.

The square root of 87295 is about 295.4572727147. The cubic root of 87295 is about 44.3605024386.

The spelling of 87295 in words is "eighty-seven thousand, two hundred ninety-five".

Divisors: 1 5 13 17 65 79 85 221 395 1027 1105 1343 5135 6715 17459 87295