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61430612 = 2230195087
BaseRepresentation
bin1110101001010…
…1101101010100
311021120222221212
43222111231110
5111211234422
610032400552
71344102665
oct352255524
9137528855
1061430612
1131748801
12186a6158
13c95b199
14823136c
1555d69e2
hex3a95b54

61430612 has 12 divisors (see below), whose sum is σ = 107560320. Its totient is φ = 30699096.

The previous prime is 61430563. The next prime is 61430627. The reversal of 61430612 is 21603416.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9533 + ... + 14619.

It is an arithmetic number, because the mean of its divisors is an integer number (8963360).

Almost surely, 261430612 is an apocalyptic number.

It is an amenable number.

61430612 is a deficient number, since it is larger than the sum of its proper divisors (46129708).

61430612 is a wasteful number, since it uses less digits than its factorization.

61430612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8110 (or 8108 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 61430612 is about 7837.7683048174. The cubic root of 61430612 is about 394.5738329534.

The spelling of 61430612 in words is "sixty-one million, four hundred thirty thousand, six hundred twelve".

Divisors: 1 2 4 3019 5087 6038 10174 12076 20348 15357653 30715306 61430612