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630137046 = 237111363933
BaseRepresentation
bin100101100011110…
…010000011010110
31121220201021112010
4211203302003112
52242303341141
6142310005050
721421035150
oct4543620326
91556637463
10630137046
112a3772320
12157046786
13a071b076
145d98dad0
153a4c2416
hex258f20d6

630137046 has 32 divisors (see below), whose sum is σ = 1571251968. Its totient is φ = 163671840.

The previous prime is 630137029. The next prime is 630137069. The reversal of 630137046 is 640731036.

It is a super-2 number, since 2×6301370462 = 794145393483212232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681505 + ... + 682428.

It is an arithmetic number, because the mean of its divisors is an integer number (49101624).

Almost surely, 2630137046 is an apocalyptic number.

630137046 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

630137046 is an abundant number, since it is smaller than the sum of its proper divisors (941114922).

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

630137046 is a wasteful number, since it uses less digits than its factorization.

630137046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363956.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 630137046 is about 25102.5306692373. The cubic root of 630137046 is about 857.3240447365.

The spelling of 630137046 in words is "six hundred thirty million, one hundred thirty-seven thousand, forty-six".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 1363933 2727866 4091799 8183598 9547531 15003263 19095062 28642593 30006526 45009789 57285186 90019578 105022841 210045682 315068523 630137046