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61056929 is a prime number
BaseRepresentation
bin1110100011101…
…0011110100001
311020220000100202
43220322132201
5111112310204
610020354545
71340655353
oct350723641
9136800322
1061056929
1131512a7a
1218545a55
13c85a07b
1481750d3
155560e1e
hex3a3a7a1

61056929 has 2 divisors, whose sum is σ = 61056930. Its totient is φ = 61056928.

The previous prime is 61056923. The next prime is 61056959. The reversal of 61056929 is 92965016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60528400 + 528529 = 7780^2 + 727^2 .

It is a cyclic number.

It is not a de Polignac number, because 61056929 - 220 = 60008353 is a prime.

It is a super-2 number, since 2×610569292 = 7455897157822082, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 61056892 and 61056901.

It is not a weakly prime, because it can be changed into another prime (61056923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30528464 + 30528465.

It is an arithmetic number, because the mean of its divisors is an integer number (30528465).

Almost surely, 261056929 is an apocalyptic number.

It is an amenable number.

61056929 is a deficient number, since it is larger than the sum of its proper divisors (1).

61056929 is an equidigital number, since it uses as much as digits as its factorization.

61056929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 61056929 is about 7813.8933317521. The cubic root of 61056929 is about 393.7721397142.

The spelling of 61056929 in words is "sixty-one million, fifty-six thousand, nine hundred twenty-nine".