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629669030 = 25587107269
BaseRepresentation
bin100101100001111…
…111110010100110
31121212211111112012
4211201333302212
52242143402110
6142251554222
721414045524
oct4541776246
91555744465
10629669030
112a3482731
12156a5b972
13a05b6033
145d8ab314
153a42d905
hex2587fca6

629669030 has 16 divisors (see below), whose sum is σ = 1135345680. Its totient is φ = 251436192.

The previous prime is 629669003. The next prime is 629669039. The reversal of 629669030 is 30966926.

It is a super-2 number, since 2×6296690302 = 792966174682281800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629669039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47765 + ... + 59504.

It is an arithmetic number, because the mean of its divisors is an integer number (70959105).

Almost surely, 2629669030 is an apocalyptic number.

629669030 is a deficient number, since it is larger than the sum of its proper divisors (505676650).

629669030 is a wasteful number, since it uses less digits than its factorization.

629669030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107863.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 629669030 is about 25093.2068496635. The cubic root of 629669030 is about 857.1117413175. Note that the first 3 decimals are identical.

The spelling of 629669030 in words is "six hundred twenty-nine million, six hundred sixty-nine thousand, thirty".

Divisors: 1 2 5 10 587 1174 2935 5870 107269 214538 536345 1072690 62966903 125933806 314834515 629669030