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61292472 = 2332553853
BaseRepresentation
bin1110100111001…
…1111110111000
311021022222110120
43221303332320
5111142324342
610025413240
71342656153
oct351637670
9137288416
1061292472
1131663a3a
121863a220
13c910347
1481d6c9a
1555aaaec
hex3a73fb8

61292472 has 16 divisors (see below), whose sum is σ = 153231240. Its totient is φ = 20430816.

The previous prime is 61292459. The next prime is 61292477. The reversal of 61292472 is 27429216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61292477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276903 + ... + 1276950.

Almost surely, 261292472 is an apocalyptic number.

It is an amenable number.

61292472 is an abundant number, since it is smaller than the sum of its proper divisors (91938768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61292472 is a wasteful number, since it uses less digits than its factorization.

61292472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553862 (or 2553858 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 61292472 is about 7828.9508875711. The cubic root of 61292472 is about 394.2778494846.

The spelling of 61292472 in words is "sixty-one million, two hundred ninety-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 2553853 5107706 7661559 10215412 15323118 20430824 30646236 61292472