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627920705 = 5472672003
BaseRepresentation
bin100101011011010…
…100111101000001
31121202112200021102
4211123110331001
52241221430310
6142150304145
721363144416
oct4533247501
91552480242
10627920705
112a2499135
12156358055
13a0123319
145d57410d
153a1d58a5
hex256d4f41

627920705 has 8 divisors (see below), whose sum is σ = 769537152. Its totient is φ = 491648368.

The previous prime is 627920693. The next prime is 627920707. The reversal of 627920705 is 507029726.

627920705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 627920705 - 212 = 627916609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (627920707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335767 + ... + 1336236.

It is an arithmetic number, because the mean of its divisors is an integer number (96192144).

Almost surely, 2627920705 is an apocalyptic number.

It is an amenable number.

627920705 is a deficient number, since it is larger than the sum of its proper divisors (141616447).

627920705 is a wasteful number, since it uses less digits than its factorization.

627920705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672055.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 627920705 is about 25058.3460148510. The cubic root of 627920705 is about 856.3177268609.

The spelling of 627920705 in words is "six hundred twenty-seven million, nine hundred twenty thousand, seven hundred five".

Divisors: 1 5 47 235 2672003 13360015 125584141 627920705