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61357696 = 27479357
BaseRepresentation
bin1110101000001…
…1111010000000
311021110021221021
43222003322000
5111201421241
610031035224
71343350261
oct352037200
9137407837
1061357696
11316a8a44
121866bb14
13c933c3a
148212968
1555c00d1
hex3a83e80

61357696 has 16 divisors (see below), whose sum is σ = 122236290. Its totient is φ = 30678784.

The previous prime is 61357693. The next prime is 61357697. The reversal of 61357696 is 69675316.

It can be written as a sum of positive squares in only one way, i.e., 48108096 + 13249600 = 6936^2 + 3640^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (61357691) 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, 239551 + ... + 239806.

Almost surely, 261357696 is an apocalyptic number.

It is an amenable number.

61357696 is a deficient number, since it is larger than the sum of its proper divisors (60878594).

61357696 is an equidigital number, since it uses as much as digits as its factorization.

61357696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479371 (or 479359 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The square root of 61357696 is about 7833.1153444846. The cubic root of 61357696 is about 394.4176560058.

It can be divided in two parts, 6135 and 7696, that added together give a palindrome (13831).

The spelling of 61357696 in words is "sixty-one million, three hundred fifty-seven thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 32 64 128 479357 958714 1917428 3834856 7669712 15339424 30678848 61357696