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61892 = 2215473
BaseRepresentation
bin1111000111000100
310010220022
433013010
53440032
61154312
7345305
oct170704
9103808
1061892
1142556
122b998
132222c
14187ac
1513512
hexf1c4

61892 has 6 divisors (see below), whose sum is σ = 108318. Its totient is φ = 30944.

The previous prime is 61879. The next prime is 61909. The reversal of 61892 is 29816.

61892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 51076 + 10816 = 226^2 + 104^2 .

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

It is a plaindrome in base 13.

It is an unprimeable number.

61892 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7733 + ... + 7740.

It is an arithmetic number, because the mean of its divisors is an integer number (18053).

261892 is an apocalyptic number.

It is an amenable number.

61892 is a deficient number, since it is larger than the sum of its proper divisors (46426).

61892 is a wasteful number, since it uses less digits than its factorization.

61892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15477 (or 15475 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 61892 is about 248.7810282156. The cubic root of 61892 is about 39.5559214338. Note that the first 3 decimals are identical.

The spelling of 61892 in words is "sixty-one thousand, eight hundred ninety-two".

Divisors: 1 2 4 15473 30946 61892