Search a number
-
+
72258896 = 2416727043
BaseRepresentation
bin1000100111010…
…01010101010000
312000222010120102
410103221111100
5121444241041
611100431532
71535122223
oct423512520
9160863512
1072258896
11378741a6
12202485a8
1311c7ca58
14984d5ba
15652509b
hex44e9550

72258896 has 20 divisors (see below), whose sum is σ = 140845152. Its totient is φ = 35911776.

The previous prime is 72258883. The next prime is 72258937. The reversal of 72258896 is 69885227.

It is a super-2 number, since 2×722588962 = 10442696102277632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72258896.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10850 + ... + 16193.

Almost surely, 272258896 is an apocalyptic number.

It is an amenable number.

72258896 is a deficient number, since it is larger than the sum of its proper divisors (68586256).

72258896 is a wasteful number, since it uses less digits than its factorization.

72258896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27218 (or 27212 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 72258896 is about 8500.5232780106. The cubic root of 72258896 is about 416.5148027541.

It can be divided in two parts, 7225889 and 6, that multiplied together give a palindrome (43355334).

The spelling of 72258896 in words is "seventy-two million, two hundred fifty-eight thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 167 334 668 1336 2672 27043 54086 108172 216344 432688 4516181 9032362 18064724 36129448 72258896