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61079842 = 230539921
BaseRepresentation
bin1110100100000…
…0000100100010
311020221011210101
43221000010202
5111114023332
610021053014
71341112225
oct351000442
9136834711
1061079842
113152920a
121855716a
13c867625
14817d5bc
155567ae7
hex3a40122

61079842 has 4 divisors (see below), whose sum is σ = 91619766. Its totient is φ = 30539920.

The previous prime is 61079831. The next prime is 61079867. The reversal of 61079842 is 24897016.

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

It can be written as a sum of positive squares in only one way, i.e., 61011721 + 68121 = 7811^2 + 261^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15269959 + ... + 15269962.

Almost surely, 261079842 is an apocalyptic number.

61079842 is a deficient number, since it is larger than the sum of its proper divisors (30539924).

61079842 is a wasteful number, since it uses less digits than its factorization.

61079842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30539923.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 61079842 is about 7815.3593647381. The cubic root of 61079842 is about 393.8213908682.

The spelling of 61079842 in words is "sixty-one million, seventy-nine thousand, eight hundred forty-two".

Divisors: 1 2 30539921 61079842