Search a number
-
+
52169972 = 22192572671
BaseRepresentation
bin1100011100000…
…0110011110100
310122011111202012
43013000303310
5101323414342
65102103352
71202303021
oct307006364
9118144665
1052169972
11274a3088
121557ab58
13aa6800a
146d00548
1548a7b82
hex31c0cf4

52169972 has 24 divisors (see below), whose sum is σ = 96512640. Its totient is φ = 24606720.

The previous prime is 52169933. The next prime is 52169977. The reversal of 52169972 is 27996125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52169977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18197 + ... + 20867.

It is an arithmetic number, because the mean of its divisors is an integer number (4021360).

Almost surely, 252169972 is an apocalyptic number.

It is an amenable number.

52169972 is a deficient number, since it is larger than the sum of its proper divisors (44342668).

52169972 is a wasteful number, since it uses less digits than its factorization.

52169972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951 (or 2949 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 52169972 is about 7222.8783736126. The cubic root of 52169972 is about 373.6573543965.

The spelling of 52169972 in words is "fifty-two million, one hundred sixty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 4 19 38 76 257 514 1028 2671 4883 5342 9766 10684 19532 50749 101498 202996 686447 1372894 2745788 13042493 26084986 52169972