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620452272 = 243111175099
BaseRepresentation
bin100100111110110…
…101100110110000
31121020111020111210
4210332311212300
52232313433042
6141322240120
721242520516
oct4476654660
91536436453
10620452272
11299257a80
12153956040
139b709b2b
145c58c4b6
153970ca9c
hex24fb59b0

620452272 has 40 divisors (see below), whose sum is σ = 1748548800. Its totient is φ = 188015680.

The previous prime is 620452249. The next prime is 620452337. The reversal of 620452272 is 272254026.

It is a super-2 number, since 2×6204522722 = 769922043659923968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587022 + ... + 588077.

It is an arithmetic number, because the mean of its divisors is an integer number (43713720).

Almost surely, 2620452272 is an apocalyptic number.

It is an amenable number.

620452272 is an abundant number, since it is smaller than the sum of its proper divisors (1128096528).

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

620452272 is a wasteful number, since it uses less digits than its factorization.

620452272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175121 (or 1175115 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 620452272 is about 24908.8793806546. The cubic root of 620452272 is about 852.9091883586.

The spelling of 620452272 in words is "six hundred twenty million, four hundred fifty-two thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 1175099 2350198 3525297 4700396 7050594 9400792 12926089 14101188 18801584 25852178 28202376 38778267 51704356 56404752 77556534 103408712 155113068 206817424 310226136 620452272