Search a number
-
+
130432040 = 23513923459
BaseRepresentation
bin1111100011000…
…11110000101000
3100002102122010022
413301203300220
5231342311130
620535340012
73142440224
oct761436050
9302378108
10130432040
1167697582
1237821608
132103a32b
1413473784
15b6b67e5
hex7c63c28

130432040 has 32 divisors (see below), whose sum is σ = 295596000. Its totient is φ = 51795264.

The previous prime is 130432033. The next prime is 130432061. The reversal of 130432040 is 40234031.

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, 6170 + ... + 17289.

It is an arithmetic number, because the mean of its divisors is an integer number (9237375).

Almost surely, 2130432040 is an apocalyptic number.

130432040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130432040 is an abundant number, since it is smaller than the sum of its proper divisors (165163960).

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

130432040 is a wasteful number, since it uses less digits than its factorization.

130432040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23609 (or 23605 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 130432040 is about 11420.6847430441. The cubic root of 130432040 is about 507.1402677719.

Adding to 130432040 its reverse (40234031), we get a palindrome (170666071).

The spelling of 130432040 in words is "one hundred thirty million, four hundred thirty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 139 278 556 695 1112 1390 2780 5560 23459 46918 93836 117295 187672 234590 469180 938360 3260801 6521602 13043204 16304005 26086408 32608010 65216020 130432040