Search a number
-
+
632130530 = 25431470071
BaseRepresentation
bin100101101011011…
…000101111100010
31122001110120001212
4211223120233202
52243311134110
6142420430122
721444010103
oct4553305742
91561416055
10632130530
112a4904029
12157848342
13a0c68545
145dd4c3aa
153a767e05
hex25ad8be2

632130530 has 16 divisors (see below), whose sum is σ = 1164297024. Its totient is φ = 246971760.

The previous prime is 632130529. The next prime is 632130539. The reversal of 632130530 is 35031236.

It is a junction number, because it is equal to n+sod(n) for n = 632130496 and 632130505.

It is not an unprimeable number, because it can be changed into a prime (632130539) 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, 734606 + ... + 735465.

It is an arithmetic number, because the mean of its divisors is an integer number (72768564).

Almost surely, 2632130530 is an apocalyptic number.

632130530 is a deficient number, since it is larger than the sum of its proper divisors (532166494).

632130530 is a wasteful number, since it uses less digits than its factorization.

632130530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470121.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 632130530 is about 25142.2061482281. The cubic root of 632130530 is about 858.2271618658.

Adding to 632130530 its reverse (35031236), we get a palindrome (667161766).

The spelling of 632130530 in words is "six hundred thirty-two million, one hundred thirty thousand, five hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 1470071 2940142 7350355 14700710 63213053 126426106 316065265 632130530