Search a number
-
+
61932972 = 22317303593
BaseRepresentation
bin1110110001000…
…0010110101100
311022112112001210
43230100112230
5111323323342
610051234420
71351264413
oct354202654
9138475053
1061932972
1131a61182
12188a8a10
13caa5a3a
14832247a
15568579c
hex3b105ac

61932972 has 24 divisors (see below), whose sum is σ = 153011376. Its totient is φ = 19429888.

The previous prime is 61932967. The next prime is 61933013. The reversal of 61932972 is 27923916.

It is a self number, because there is not a number n which added to its sum of digits gives 61932972.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151593 + ... + 152000.

It is an arithmetic number, because the mean of its divisors is an integer number (6375474).

Almost surely, 261932972 is an apocalyptic number.

It is an amenable number.

61932972 is an abundant number, since it is smaller than the sum of its proper divisors (91078404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61932972 is a wasteful number, since it uses less digits than its factorization.

61932972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303617 (or 303615 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 61932972 is about 7869.7504407700. The cubic root of 61932972 is about 395.6464807436.

The spelling of 61932972 in words is "sixty-one million, nine hundred thirty-two thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 303593 607186 910779 1214372 1821558 3643116 5161081 10322162 15483243 20644324 30966486 61932972