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629619929 = 1913121931
BaseRepresentation
bin100101100001110…
…011110011011001
31121212202000011122
4211201303303121
52242140314204
6142250535025
721413452421
oct4541636331
91555660148
10629619929
112a3449854
12156a37475
13a0599893
145d897481
153a41e0be
hex25873cd9

629619929 has 12 divisors (see below), whose sum is σ = 668201520. Its totient is φ = 591622200.

The previous prime is 629619923. The next prime is 629619941. The reversal of 629619929 is 929916926.

It is not a de Polignac number, because 629619929 - 28 = 629619673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (629619923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325094 + ... + 327024.

It is an arithmetic number, because the mean of its divisors is an integer number (55683460).

Almost surely, 2629619929 is an apocalyptic number.

It is an amenable number.

629619929 is a deficient number, since it is larger than the sum of its proper divisors (38581591).

629619929 is a wasteful number, since it uses less digits than its factorization.

629619929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212 (or 2081 counting only the distinct ones).

The product of its digits is 944784, while the sum is 53.

The square root of 629619929 is about 25092.2284582299. The cubic root of 629619929 is about 857.0894618154.

The spelling of 629619929 in words is "six hundred twenty-nine million, six hundred nineteen thousand, nine hundred twenty-nine".

Divisors: 1 19 131 1931 2489 17161 36689 252961 326059 4806259 33137891 629619929