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61074475 = 5271131727
BaseRepresentation
bin1110100011111…
…0110000101011
311020220220102121
43220332300223
5111113340400
610021012111
71341060460
oct350766053
9136826377
1061074475
1131525180
1218554037
13c865057
14817b667
15556621a
hex3a3ec2b

61074475 has 24 divisors (see below), whose sum is σ = 94422528. Its totient is φ = 38071200.

The previous prime is 61074473. The next prime is 61074487. The reversal of 61074475 is 57447016.

It is a happy number.

It is not a de Polignac number, because 61074475 - 21 = 61074473 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61074475.

It is not an unprimeable number, because it can be changed into a prime (61074473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13939 + ... + 17788.

It is an arithmetic number, because the mean of its divisors is an integer number (3934272).

Almost surely, 261074475 is an apocalyptic number.

61074475 is a deficient number, since it is larger than the sum of its proper divisors (33348053).

61074475 is a wasteful number, since it uses less digits than its factorization.

61074475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31755 (or 31750 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 61074475 is about 7815.0159948653. The cubic root of 61074475 is about 393.8098556860.

The spelling of 61074475 in words is "sixty-one million, seventy-four thousand, four hundred seventy-five".

Divisors: 1 5 7 11 25 35 55 77 175 275 385 1925 31727 158635 222089 348997 793175 1110445 1744985 2442979 5552225 8724925 12214895 61074475