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61475427 = 3213525431
BaseRepresentation
bin1110101010000…
…0101001100011
311021200021102200
43222200221203
5111214203202
610033344243
71344350436
oct352405143
9137607380
1061475427
1131779442
1218708083
13c9756c0
14824381d
1555e4e1c
hex3aa0a63

61475427 has 12 divisors (see below), whose sum is σ = 95628624. Its totient is φ = 37830960.

The previous prime is 61475411. The next prime is 61475429. The reversal of 61475427 is 72457416.

It is not a de Polignac number, because 61475427 - 24 = 61475411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61475391 and 61475400.

It is not an unprimeable number, because it can be changed into a prime (61475429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262599 + ... + 262832.

It is an arithmetic number, because the mean of its divisors is an integer number (7969052).

Almost surely, 261475427 is an apocalyptic number.

61475427 is a deficient number, since it is larger than the sum of its proper divisors (34153197).

61475427 is a wasteful number, since it uses less digits than its factorization.

61475427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525450 (or 525447 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 61475427 is about 7840.6266968910. The cubic root of 61475427 is about 394.6697597641.

The spelling of 61475427 in words is "sixty-one million, four hundred seventy-five thousand, four hundred twenty-seven".

Divisors: 1 3 9 13 39 117 525431 1576293 4728879 6830603 20491809 61475427