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130024424 = 2316253053
BaseRepresentation
bin1111100000000…
…00001111101000
3100001122220222102
413300000033220
5231241240144
620522512532
73136121645
oct760001750
9301586872
10130024424
1167439302
1237665748
1320c2693a
14133a8dcc
15b635b4e
hex7c003e8

130024424 has 8 divisors (see below), whose sum is σ = 243795810. Its totient is φ = 65012208.

The previous prime is 130024393. The next prime is 130024457. The reversal of 130024424 is 424420031.

It can be written as a sum of positive squares in only one way, i.e., 105719524 + 24304900 = 10282^2 + 4930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 130024396 and 130024405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8126519 + ... + 8126534.

Almost surely, 2130024424 is an apocalyptic number.

It is an amenable number.

130024424 is a deficient number, since it is larger than the sum of its proper divisors (113771386).

130024424 is a wasteful number, since it uses less digits than its factorization.

130024424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16253059 (or 16253055 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 130024424 is about 11402.8252639423. The cubic root of 130024424 is about 506.6114248021.

Adding to 130024424 its reverse (424420031), we get a palindrome (554444455).

The spelling of 130024424 in words is "one hundred thirty million, twenty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16253053 32506106 65012212 130024424