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60531620 = 2253026581
BaseRepresentation
bin1110011011101…
…0001110100100
311012220022202212
43212322032210
5110444002440
610001222552
71333340012
oct346721644
9135808685
1060531620
1131194336
1218331a58
13c704c36
1480798b2
1554aa465
hex39ba3a4

60531620 has 12 divisors (see below), whose sum is σ = 127116444. Its totient is φ = 24212640.

The previous prime is 60531571. The next prime is 60531631. The reversal of 60531620 is 2613506.

It can be written as a sum of positive squares in 2 ways, for example, as 14182756 + 46348864 = 3766^2 + 6808^2 .

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, 1513271 + ... + 1513310.

It is an arithmetic number, because the mean of its divisors is an integer number (10593037).

Almost surely, 260531620 is an apocalyptic number.

It is an amenable number.

60531620 is an abundant number, since it is smaller than the sum of its proper divisors (66584824).

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

60531620 is a wasteful number, since it uses less digits than its factorization.

60531620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026590 (or 3026588 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 60531620 is about 7780.2069381219. The cubic root of 60531620 is about 392.6396003621.

The spelling of 60531620 in words is "sixty million, five hundred thirty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 3026581 6053162 12106324 15132905 30265810 60531620