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630134276 = 22421374189
BaseRepresentation
bin100101100011110…
…001011000000100
31121220201010201112
4211203301120010
52242303244101
6142305544152
721421024112
oct4543613004
91556633645
10630134276
112a3770232
12157045058
13a0719a25
145d98cab2
153a4c16bb
hex258f1604

630134276 has 12 divisors (see below), whose sum is σ = 1105357260. Its totient is φ = 314317920.

The previous prime is 630134273. The next prime is 630134293. The reversal of 630134276 is 672431036.

It can be written as a sum of positive squares in 2 ways, for example, as 192487876 + 437646400 = 13874^2 + 20920^2 .

It is not an unprimeable number, because it can be changed into a prime (630134273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185411 + ... + 188778.

It is an arithmetic number, because the mean of its divisors is an integer number (92113105).

Almost surely, 2630134276 is an apocalyptic number.

It is an amenable number.

630134276 is a deficient number, since it is larger than the sum of its proper divisors (475222984).

630134276 is a wasteful number, since it uses less digits than its factorization.

630134276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374614 (or 374612 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 630134276 is about 25102.4754954566. The cubic root of 630134276 is about 857.3227885066.

The spelling of 630134276 in words is "six hundred thirty million, one hundred thirty-four thousand, two hundred seventy-six".

Divisors: 1 2 4 421 842 1684 374189 748378 1496756 157533569 315067138 630134276