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629870401 = 29131165799
BaseRepresentation
bin100101100010110…
…000111101000001
31121220012201202101
4211202300331001
52242221323101
6142300150401
721415544566
oct4542607501
91556181671
10629870401
112a35aaa56
12156b38401
13a06568a4
145d92086d
153a46d401
hex258b0f41

629870401 has 8 divisors (see below), whose sum is σ = 656568000. Its totient is φ = 603504720.

The previous prime is 629870389. The next prime is 629870429. The reversal of 629870401 is 104078926.

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 629870401 - 213 = 629862209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (629870471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79101 + ... + 86698.

It is an arithmetic number, because the mean of its divisors is an integer number (82071000).

Almost surely, 2629870401 is an apocalyptic number.

It is an amenable number.

629870401 is a deficient number, since it is larger than the sum of its proper divisors (26697599).

629870401 is a wasteful number, since it uses less digits than its factorization.

629870401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165959.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 629870401 is about 25097.2189893621. The cubic root of 629870401 is about 857.2031009813.

The spelling of 629870401 in words is "six hundred twenty-nine million, eight hundred seventy thousand, four hundred one".

Divisors: 1 29 131 3799 165799 4808171 21719669 629870401