Search a number
-
+
630023960 = 23543366293
BaseRepresentation
bin100101100011010…
…110011100011000
31121220111112101202
4211203112130120
52242241231320
6142303333332
721420054356
oct4543263430
91556445352
10630023960
112a36a5365
12156bb1248
13a06ab757
145d9607d6
153a49db75
hex258d6718

630023960 has 32 divisors (see below), whose sum is σ = 1450524240. Its totient is φ = 246148224.

The previous prime is 630023959. The next prime is 630023963. The reversal of 630023960 is 69320036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630023963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181427 + ... + 184866.

Almost surely, 2630023960 is an apocalyptic number.

It is an amenable number.

630023960 is an abundant number, since it is smaller than the sum of its proper divisors (820500280).

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

630023960 is a wasteful number, since it uses less digits than its factorization.

630023960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366347 (or 366343 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 630023960 is about 25100.2780861089. The cubic root of 630023960 is about 857.2727558157.

Adding to 630023960 its reverse (69320036), we get a palindrome (699343996).

The spelling of 630023960 in words is "six hundred thirty million, twenty-three thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 366293 732586 1465172 1831465 2930344 3662930 7325860 14651720 15750599 31501198 63002396 78752995 126004792 157505990 315011980 630023960