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630922030 = 25127496789
BaseRepresentation
bin100101100110110…
…001101100101110
31121222012011022121
4211212301230232
52243004001110
6142334503154
721430514554
oct4546615456
91558164277
10630922030
112a4159072
12157364aba
13a093445b
145db15bd4
153a5c9cda
hex259b1b2e

630922030 has 16 divisors (see below), whose sum is σ = 1144604160. Its totient is φ = 250381152.

The previous prime is 630922001. The next prime is 630922091. The reversal of 630922030 is 30229036.

It is a junction number, because it is equal to n+sod(n) for n = 630921986 and 630922004.

It is a congruent number.

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, 247125 + ... + 249664.

It is an arithmetic number, because the mean of its divisors is an integer number (71537760).

Almost surely, 2630922030 is an apocalyptic number.

630922030 is a deficient number, since it is larger than the sum of its proper divisors (513682130).

630922030 is a wasteful number, since it uses less digits than its factorization.

630922030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496923.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 630922030 is about 25118.1613578701. The cubic root of 630922030 is about 857.6798966376.

The spelling of 630922030 in words is "six hundred thirty million, nine hundred twenty-two thousand, thirty".

Divisors: 1 2 5 10 127 254 635 1270 496789 993578 2483945 4967890 63092203 126184406 315461015 630922030