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629400903 = 3242386587
BaseRepresentation
bin100101100000111…
…110010101000111
31121212022212201120
4211200332111013
52242111312103
6142242125023
721411551025
oct4540762507
91555285646
10629400903
112a330a23a
12156950773
13a0520c91
145d83b715
153a3c9253
hex2583e547

629400903 has 8 divisors (see below), whose sum is σ = 839557248. Its totient is φ = 419422584.

The previous prime is 629400901. The next prime is 629400907. The reversal of 629400903 is 309004926.

629400903 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 not a de Polignac number, because 629400903 - 21 = 629400901 is a prime.

It is a super-2 number, since 2×6294009032 = 792290993394430818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629400901) 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, 36025 + ... + 50562.

It is an arithmetic number, because the mean of its divisors is an integer number (104944656).

Almost surely, 2629400903 is an apocalyptic number.

629400903 is a deficient number, since it is larger than the sum of its proper divisors (210156345).

629400903 is a wasteful number, since it uses less digits than its factorization.

629400903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89013.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 629400903 is about 25087.8636595466. The cubic root of 629400903 is about 856.9900649994.

The spelling of 629400903 in words is "six hundred twenty-nine million, four hundred thousand, nine hundred three".