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61072425 = 3252713823
BaseRepresentation
bin1110100011111…
…0010000101001
311020220210121200
43220332100221
5111113304200
610020554413
71341051501
oct350762051
9136823550
1061072425
1131523687
1218552a09
13c86413b
14817aa01
155565800
hex3a3e429

61072425 has 36 divisors (see below), whose sum is σ = 110957184. Its totient is φ = 32104800.

The previous prime is 61072421. The next prime is 61072433. The reversal of 61072425 is 52427016.

61072425 is a `hidden beast` number, since 610 + 7 + 2 + 42 + 5 = 666.

61072425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61072425 - 22 = 61072421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61072421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14064 + ... + 17886.

It is an arithmetic number, because the mean of its divisors is an integer number (3082144).

Almost surely, 261072425 is an apocalyptic number.

It is an amenable number.

61072425 is a deficient number, since it is larger than the sum of its proper divisors (49884759).

61072425 is a wasteful number, since it uses less digits than its factorization.

61072425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910 (or 3902 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 61072425 is about 7814.8848360037. The cubic root of 61072425 is about 393.8054494850.

The spelling of 61072425 in words is "sixty-one million, seventy-two thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 71 75 213 225 355 639 1065 1775 3195 3823 5325 11469 15975 19115 34407 57345 95575 172035 271433 286725 814299 860175 1357165 2442897 4071495 6785825 12214485 20357475 61072425