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62742740 = 2253137137
BaseRepresentation
bin1110111101011…
…0000011010100
311101001122212012
43233112003110
5112030231430
610120443352
71361206304
oct357260324
9141048765
1062742740
1132464605
1219019558
13ccca4a8
148493604
155795695
hex3bd60d4

62742740 has 12 divisors (see below), whose sum is σ = 131759796. Its totient is φ = 25097088.

The previous prime is 62742739. The next prime is 62742809. The reversal of 62742740 is 4724726.

It can be written as a sum of positive squares in 2 ways, for example, as 31225744 + 31516996 = 5588^2 + 5614^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 62742697 and 62742706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568549 + ... + 1568588.

It is an arithmetic number, because the mean of its divisors is an integer number (10979983).

Almost surely, 262742740 is an apocalyptic number.

It is an amenable number.

62742740 is an abundant number, since it is smaller than the sum of its proper divisors (69017056).

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

62742740 is a wasteful number, since it uses less digits than its factorization.

62742740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137146 (or 3137144 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 62742740 is about 7921.0314984855. The cubic root of 62742740 is about 397.3633669349.

The spelling of 62742740 in words is "sixty-two million, seven hundred forty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 3137137 6274274 12548548 15685685 31371370 62742740