Search a number
-
+
655130432 = 2611930583
BaseRepresentation
bin100111000011000…
…111111101000000
31200122202002000002
4213003013331000
52320203133212
6145001415132
722143342155
oct4703077500
91618662002
10655130432
11306893210
1216349a4a8
13a595c258
146301822c
153c7acac2
hex270c7f40

655130432 has 28 divisors (see below), whose sum is σ = 1418210016. Its totient is φ = 297786240.

The previous prime is 655130417. The next prime is 655130449. The reversal of 655130432 is 234031556.

It is a junction number, because it is equal to n+sod(n) for n = 655130395 and 655130404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464588 + ... + 465995.

Almost surely, 2655130432 is an apocalyptic number.

It is an amenable number.

655130432 is an abundant number, since it is smaller than the sum of its proper divisors (763079584).

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

655130432 is a wasteful number, since it uses less digits than its factorization.

655130432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930606 (or 930596 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 655130432 is about 25595.5158572747. The cubic root of 655130432 is about 868.5122023822.

Adding to 655130432 its reverse (234031556), we get a palindrome (889161988).

The spelling of 655130432 in words is "six hundred fifty-five million, one hundred thirty thousand, four hundred thirty-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 930583 1861166 3722332 7444664 10236413 14889328 20472826 29778656 40945652 59557312 81891304 163782608 327565216 655130432