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61046875 = 563907
BaseRepresentation
bin1110100011100…
…0000001011011
311020212111120101
43220320001123
5111112000000
610020240231
71340614141
oct350700133
9136774511
1061046875
113150646a
1218540077
13c855616
148171591
15555ce6a
hex3a3805b

61046875 has 14 divisors (see below), whose sum is σ = 76327148. Its totient is φ = 48825000.

The previous prime is 61046861. The next prime is 61046879. The reversal of 61046875 is 57864016.

It is not a de Polignac number, because 61046875 - 213 = 61038683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61046879) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 13672 + ... + 17578.

Almost surely, 261046875 is an apocalyptic number.

61046875 is the 3907-th decagonal number.

61046875 is a deficient number, since it is larger than the sum of its proper divisors (15280273).

61046875 is an frugal number, since it uses more digits than its factorization.

61046875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937 (or 3912 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 61046875 is about 7813.2499640035. The cubic root of 61046875 is about 393.7505249006.

The spelling of 61046875 in words is "sixty-one million, forty-six thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 625 3125 3907 15625 19535 97675 488375 2441875 12209375 61046875