Search a number
-
+
61250624 = 26957041
BaseRepresentation
bin1110100110100…
…1110001000000
311021020212001122
43221221301000
5111140004444
610024451412
71342423151
oct351516100
9137225048
1061250624
1131635556
1218619b68
13c8c7296
1481c5928
15559d4ee
hex3a69c40

61250624 has 14 divisors (see below), whose sum is σ = 121544334. Its totient is φ = 30625280.

The previous prime is 61250621. The next prime is 61250641. The reversal of 61250624 is 42605216.

It can be written as a sum of positive squares in only one way, i.e., 56550400 + 4700224 = 7520^2 + 2168^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61250593 and 61250602.

It is not an unprimeable number, because it can be changed into a prime (61250621) 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 as a sum of consecutive naturals, namely, 478457 + ... + 478584.

Almost surely, 261250624 is an apocalyptic number.

61250624 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

61250624 is a deficient number, since it is larger than the sum of its proper divisors (60293710).

61250624 is an equidigital number, since it uses as much as digits as its factorization.

61250624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957053 (or 957043 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 61250624 is about 7826.2777870454. The cubic root of 61250624 is about 394.1880967768.

The spelling of 61250624 in words is "sixty-one million, two hundred fifty thousand, six hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 957041 1914082 3828164 7656328 15312656 30625312 61250624