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61570134 = 2323420563
BaseRepresentation
bin1110101011011…
…1110001010110
311021212002100100
43222313301112
5111230221014
610035354530
71345223523
oct352676126
9137762310
1061570134
113183360a
1218752a46
13c9a9842
14826a14a
155613009
hex3ab7c56

61570134 has 12 divisors (see below), whose sum is σ = 133401996. Its totient is φ = 20523372.

The previous prime is 61570121. The next prime is 61570169. The reversal of 61570134 is 43107516.

61570134 is a `hidden beast` number, since 61 + 570 + 1 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 61570098 and 61570107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1710264 + ... + 1710299.

It is an arithmetic number, because the mean of its divisors is an integer number (11116833).

Almost surely, 261570134 is an apocalyptic number.

61570134 is an abundant number, since it is smaller than the sum of its proper divisors (71831862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61570134 is a wasteful number, since it uses less digits than its factorization.

61570134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420571 (or 3420568 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 61570134 is about 7846.6638770881. The cubic root of 61570134 is about 394.8723274823.

The spelling of 61570134 in words is "sixty-one million, five hundred seventy thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 3420563 6841126 10261689 20523378 30785067 61570134