Search a number
-
+
630162530 = 25270723279
BaseRepresentation
bin100101100011111…
…000010001100010
31121220202120110222
4211203320101202
52242310200110
6142310323042
721421202354
oct4543702142
91556676428
10630162530
112a378a488
12157059482
13a072984a
145d9990d4
153a4c9c55
hex258f8462

630162530 has 16 divisors (see below), whose sum is σ = 1134760320. Its totient is φ = 251961072.

The previous prime is 630162529. The next prime is 630162551. The reversal of 630162530 is 35261036.

It is a self number, because there is not a number n which added to its sum of digits gives 630162530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15431 + ... + 38709.

It is an arithmetic number, because the mean of its divisors is an integer number (70922520).

Almost surely, 2630162530 is an apocalyptic number.

630162530 is a deficient number, since it is larger than the sum of its proper divisors (504597790).

630162530 is a wasteful number, since it uses less digits than its factorization.

630162530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25993.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 630162530 is about 25103.0382623299. The cubic root of 630162530 is about 857.3356018793.

The spelling of 630162530 in words is "six hundred thirty million, one hundred sixty-two thousand, five hundred thirty".

Divisors: 1 2 5 10 2707 5414 13535 23279 27070 46558 116395 232790 63016253 126032506 315081265 630162530