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87092 = 2221773
BaseRepresentation
bin10101010000110100
311102110122
4111100310
510241332
61511112
7511625
oct252064
9142418
1087092
115a485
1242498
1330845
1423a4c
151ac12
hex15434

87092 has 6 divisors (see below), whose sum is σ = 152418. Its totient is φ = 43544.

The previous prime is 87083. The next prime is 87103. The reversal of 87092 is 29078.

It can be written as a sum of positive squares in only one way, i.e., 59536 + 27556 = 244^2 + 166^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

87092 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10883 + ... + 10890.

It is an arithmetic number, because the mean of its divisors is an integer number (25403).

287092 is an apocalyptic number.

It is an amenable number.

87092 is a deficient number, since it is larger than the sum of its proper divisors (65326).

87092 is a wasteful number, since it uses less digits than its factorization.

87092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21777 (or 21775 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 87092 is about 295.1135374733. The cubic root of 87092 is about 44.3260897331.

The spelling of 87092 in words is "eighty-seven thousand, ninety-two".

Divisors: 1 2 4 21773 43546 87092