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629106320 = 2457863829
BaseRepresentation
bin100101011111110…
…110011010010000
31121211202220122002
4211133312122100
52242022400240
6142231533132
721406213133
oct4537663220
91554686562
10629106320
112a3128987
1215682a1a8
13a0449b7b
145d7a221a
153a36bd15
hex257f6690

629106320 has 20 divisors (see below), whose sum is σ = 1462672380. Its totient is φ = 251642496.

The previous prime is 629106319. The next prime is 629106389. The reversal of 629106320 is 23601926.

It can be written as a sum of positive squares in 2 ways, for example, as 426670336 + 202435984 = 20656^2 + 14228^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 3931835 + ... + 3931994.

It is an arithmetic number, because the mean of its divisors is an integer number (73133619).

Almost surely, 2629106320 is an apocalyptic number.

It is an amenable number.

629106320 is an abundant number, since it is smaller than the sum of its proper divisors (833566060).

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

629106320 is a wasteful number, since it uses less digits than its factorization.

629106320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863842 (or 7863836 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 629106320 is about 25081.9919464145. The cubic root of 629106320 is about 856.8563430746.

The spelling of 629106320 in words is "six hundred twenty-nine million, one hundred six thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 7863829 15727658 31455316 39319145 62910632 78638290 125821264 157276580 314553160 629106320