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61064365 = 5107157727
BaseRepresentation
bin1110100011110…
…0010010101101
311020220101120011
43220330102231
5111113024430
610020453221
71341016135
oct350742255
9136811504
1061064365
113151861a
121854a211
13c86057b
148177ac5
15556322a
hex3a3c4ad

61064365 has 16 divisors (see below), whose sum is σ = 74535552. Its totient is φ = 48020544.

The previous prime is 61064359. The next prime is 61064369. The reversal of 61064365 is 56346016.

It is a cyclic number.

It is not a de Polignac number, because 61064365 - 217 = 60933293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61064369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83632 + ... + 84358.

It is an arithmetic number, because the mean of its divisors is an integer number (4658472).

Almost surely, 261064365 is an apocalyptic number.

It is an amenable number.

61064365 is a deficient number, since it is larger than the sum of its proper divisors (13471187).

61064365 is a wasteful number, since it uses less digits than its factorization.

61064365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 61064365 is about 7814.3691364051. The cubic root of 61064365 is about 393.7881246364.

The spelling of 61064365 in words is "sixty-one million, sixty-four thousand, three hundred sixty-five".

Divisors: 1 5 107 157 535 727 785 3635 16799 77789 83995 114139 388945 570695 12212873 61064365