Search a number
-
+
72679952 = 2422720011
BaseRepresentation
bin1000101010100…
…00001000010000
312001202112011002
410111100020100
5122101224302
611113441132
71541524622
oct425201020
9161675132
1072679952
1138031584
12204101a8
13120995b7
14991cc12
1565a9c02
hex4550210

72679952 has 20 divisors (see below), whose sum is σ = 141444816. Its totient is φ = 36178080.

The previous prime is 72679927. The next prime is 72679963. The reversal of 72679952 is 25997627.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72679897 and 72679906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6374 + ... + 13637.

Almost surely, 272679952 is an apocalyptic number.

It is an amenable number.

72679952 is a deficient number, since it is larger than the sum of its proper divisors (68764864).

72679952 is a wasteful number, since it uses less digits than its factorization.

72679952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20246 (or 20240 counting only the distinct ones).

The product of its digits is 476280, while the sum is 47.

The square root of 72679952 is about 8525.2537792138. The cubic root of 72679952 is about 417.3222535707.

The spelling of 72679952 in words is "seventy-two million, six hundred seventy-nine thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 227 454 908 1816 3632 20011 40022 80044 160088 320176 4542497 9084994 18169988 36339976 72679952