Search a number
-
+
85671932 = 22121717599
BaseRepresentation
bin1010001101100…
…11111111111100
312222012120210112
411012303333330
5133413000212
612300125152
72060125253
oct506637774
9188176715
1085671932
11443a5655
12248367b8
1314997c68
14b54179a
1577c4422
hex51b3ffc

85671932 has 12 divisors (see below), whose sum is σ = 150057600. Its totient is φ = 42798336.

The previous prime is 85671923. The next prime is 85671947. The reversal of 85671932 is 23917658.

It is a super-2 number, since 2×856719322 = 14679359865225248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85671932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3932 + ... + 13667.

It is an arithmetic number, because the mean of its divisors is an integer number (12504800).

Almost surely, 285671932 is an apocalyptic number.

It is an amenable number.

85671932 is a deficient number, since it is larger than the sum of its proper divisors (64385668).

85671932 is a wasteful number, since it uses less digits than its factorization.

85671932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18820 (or 18818 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 85671932 is about 9255.9133530949. The cubic root of 85671932 is about 440.8385043599.

The spelling of 85671932 in words is "eighty-five million, six hundred seventy-one thousand, nine hundred thirty-two".

Divisors: 1 2 4 1217 2434 4868 17599 35198 70396 21417983 42835966 85671932