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61047412 = 22109163859
BaseRepresentation
bin1110100011100…
…0001001110100
311020212112022021
43220320021310
5111112004122
610020242524
71340615536
oct350701164
9136775267
1061047412
1131506908
1218540444
13c85593a
148171856
15555d1c7
hex3a38274

61047412 has 24 divisors (see below), whose sum is σ = 108600800. Its totient is φ = 30023136.

The previous prime is 61047367. The next prime is 61047419. The reversal of 61047412 is 21474016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61047419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70639 + ... + 71497.

Almost surely, 261047412 is an apocalyptic number.

It is an amenable number.

61047412 is a deficient number, since it is larger than the sum of its proper divisors (47553388).

61047412 is a wasteful number, since it uses less digits than its factorization.

61047412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 61047412 is about 7813.2843286290. The cubic root of 61047412 is about 393.7516794419.

The spelling of 61047412 in words is "sixty-one million, forty-seven thousand, four hundred twelve".

Divisors: 1 2 4 109 163 218 326 436 652 859 1718 3436 17767 35534 71068 93631 140017 187262 280034 374524 560068 15261853 30523706 61047412