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61013395 = 512202679
BaseRepresentation
bin1110100010111…
…1110110010011
311020210210122101
43220233312103
5111104412040
610015421231
71340414422
oct350576623
9136723571
1061013395
11314932a3
1218524817
13c843301
1481632b9
15555309a
hex3a2fd93

61013395 has 4 divisors (see below), whose sum is σ = 73216080. Its totient is φ = 48810712.

The previous prime is 61013387. The next prime is 61013399. The reversal of 61013395 is 59331016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61013395 - 23 = 61013387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61013399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6101335 + ... + 6101344.

It is an arithmetic number, because the mean of its divisors is an integer number (18304020).

Almost surely, 261013395 is an apocalyptic number.

61013395 is a deficient number, since it is larger than the sum of its proper divisors (12202685).

61013395 is a wasteful number, since it uses less digits than its factorization.

61013395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12202684.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 61013395 is about 7811.1071558390. The cubic root of 61013395 is about 393.6785300701.

The spelling of 61013395 in words is "sixty-one million, thirteen thousand, three hundred ninety-five".

Divisors: 1 5 12202679 61013395