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61423706 = 261895657
BaseRepresentation
bin1110101001010…
…0000001011010
311021120122111002
43222110001122
5111211024311
610032305002
71344043601
oct352240132
9137518432
1061423706
11317435a3
12186a2162
13c957cb6
14822ca38
1555d493b
hex3a9405a

61423706 has 16 divisors (see below), whose sum is σ = 94714920. Its totient is φ = 29863680.

The previous prime is 61423697. The next prime is 61423721. The reversal of 61423706 is 60732416.

It can be written as a sum of positive squares in 4 ways, for example, as 12996025 + 48427681 = 3605^2 + 6959^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8030 + ... + 13686.

Almost surely, 261423706 is an apocalyptic number.

61423706 is a deficient number, since it is larger than the sum of its proper divisors (33291214).

61423706 is a wasteful number, since it uses less digits than its factorization.

61423706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 61423706 is about 7837.3277333540. The cubic root of 61423706 is about 394.5590464655.

The spelling of 61423706 in words is "sixty-one million, four hundred twenty-three thousand, seven hundred six".

Divisors: 1 2 61 89 122 178 5429 5657 10858 11314 345077 503473 690154 1006946 30711853 61423706