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630261024 = 25352312553
BaseRepresentation
bin100101100100010…
…000010100100000
31121220221120120220
4211210100110200
52242321323044
6142312403040
721422062461
oct4544202440
91556846526
10630261024
112a3847488
121570a6480
13a0762623
145d9c2d68
153a4e9019
hex25910520

630261024 has 48 divisors (see below), whose sum is σ = 1657730592. Its totient is φ = 209668608.

The previous prime is 630260977. The next prime is 630261041. The reversal of 630261024 is 420162036.

It is a Cunningham number, because it is equal to 251052-1.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 630260985 and 630261003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43932 + ... + 56484.

It is an arithmetic number, because the mean of its divisors is an integer number (34536054).

Almost surely, 2630261024 is an apocalyptic number.

It is an amenable number.

630261024 is an abundant number, since it is smaller than the sum of its proper divisors (1027469568).

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

630261024 is a wasteful number, since it uses less digits than its factorization.

630261024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13089 (or 13081 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 630261024 is about 25104.9999800836. Note that the first 4 decimals coincide. The cubic root of 630261024 is about 857.3802665543.

The spelling of 630261024 in words is "six hundred thirty million, two hundred sixty-one thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 523 1046 1569 2092 3138 4184 6276 8368 12552 12553 16736 25104 25106 37659 50208 50212 75318 100424 150636 200848 301272 401696 602544 1205088 6565219 13130438 19695657 26260876 39391314 52521752 78782628 105043504 157565256 210087008 315130512 630261024