Search a number
-
+
72469056 = 2631134313
BaseRepresentation
bin1000101000111…
…00101001000000
312001100210212010
410110130221000
5122023002211
611105132520
71536656022
oct424345100
9161323763
1072469056
11379a8090
122032a140
13120245ca
1498a6012
1565674a6
hex451ca40

72469056 has 56 divisors (see below), whose sum is σ = 209178144. Its totient is φ = 21959680.

The previous prime is 72469039. The next prime is 72469063. The reversal of 72469056 is 65096427.

It is a super-2 number, since 2×724690562 = 10503528155062272, which contains 22 as substring.

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, 15045 + ... + 19268.

It is an arithmetic number, because the mean of its divisors is an integer number (3735324).

Almost surely, 272469056 is an apocalyptic number.

It is an amenable number.

72469056 is an abundant number, since it is smaller than the sum of its proper divisors (136709088).

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

72469056 is a wasteful number, since it uses less digits than its factorization.

72469056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34339 (or 34329 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 72469056 is about 8512.8758947843. The cubic root of 72469056 is about 416.9182134054.

The spelling of 72469056 in words is "seventy-two million, four hundred sixty-nine thousand, fifty-six".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 132 176 192 264 352 528 704 1056 2112 34313 68626 102939 137252 205878 274504 377443 411756 549008 754886 823512 1098016 1132329 1509772 1647024 2196032 2264658 3019544 3294048 4529316 6039088 6588096 9058632 12078176 18117264 24156352 36234528 72469056