[go: up one dir, main page]

Search a number
-
+
72560970 = 2325806233
BaseRepresentation
bin1000101001100…
…11000101001010
312001112110221100
410110303011022
5122033422340
611111122230
71540521006
oct424630512
9161473840
1072560970
1137a60149
1220373376
13120573b1
1498cb706
156584830
hex453314a

72560970 has 24 divisors (see below), whose sum is σ = 188658756. Its totient is φ = 19349568.

The previous prime is 72560953. The next prime is 72560977. The reversal of 72560970 is 7906527.

72560970 is a `hidden beast` number, since 7 + 2 + 560 + 97 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 70408881 + 2152089 = 8391^2 + 1467^2 .

It is not an unprimeable number, because it can be changed into a prime (72560977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403027 + ... + 403206.

Almost surely, 272560970 is an apocalyptic number.

72560970 is an abundant number, since it is smaller than the sum of its proper divisors (116097786).

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

72560970 is a wasteful number, since it uses less digits than its factorization.

72560970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806246 (or 806243 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 72560970 is about 8518.2727122346. The cubic root of 72560970 is about 417.0944009317.

The spelling of 72560970 in words is "seventy-two million, five hundred sixty thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 806233 1612466 2418699 4031165 4837398 7256097 8062330 12093495 14512194 24186990 36280485 72560970