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87955 = 572359
BaseRepresentation
bin10101011110010011
311110122121
4111132103
510303310
61515111
7514300
oct253623
9143577
1087955
116009a
1242a97
133105a
14240a7
151b0da
hex15793

87955 has 12 divisors (see below), whose sum is σ = 123120. Its totient is φ = 60144.

The previous prime is 87943. The next prime is 87959. The reversal of 87955 is 55978.

It is not a de Polignac number, because 87955 - 29 = 87443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87955.

It is not an unprimeable number, because it can be changed into a prime (87959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66 + ... + 424.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

287955 is an apocalyptic number.

87955 is a deficient number, since it is larger than the sum of its proper divisors (35165).

87955 is a wasteful number, since it uses less digits than its factorization.

87955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 371 counting only the distinct ones).

The product of its digits is 12600, while the sum is 34.

The square root of 87955 is about 296.5720823004. The cubic root of 87955 is about 44.4720187684.

The spelling of 87955 in words is "eighty-seven thousand, nine hundred fifty-five".

Divisors: 1 5 7 35 49 245 359 1795 2513 12565 17591 87955