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130447990 = 2513044799
BaseRepresentation
bin1111100011001…
…11101001110110
3100002110110000001
413301213221312
5231343313430
620535541514
73142534561
oct761475166
9302413001
10130447990
11676a8562
123782a89a
132104467a
14134794d8
15b6bb3ca
hex7c67a76

130447990 has 8 divisors (see below), whose sum is σ = 234806400. Its totient is φ = 52179192.

The previous prime is 130447943. The next prime is 130448009. The reversal of 130447990 is 99744031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6522390 + ... + 6522409.

It is an arithmetic number, because the mean of its divisors is an integer number (29350800).

Almost surely, 2130447990 is an apocalyptic number.

130447990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130447990 is a deficient number, since it is larger than the sum of its proper divisors (104358410).

130447990 is a wasteful number, since it uses less digits than its factorization.

130447990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13044806.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 130447990 is about 11421.3830160800. The cubic root of 130447990 is about 507.1609389648.

It can be divided in two parts, 1304 and 47990, that added together give a palindrome (49294).

The spelling of 130447990 in words is "one hundred thirty million, four hundred forty-seven thousand, nine hundred ninety".

Divisors: 1 2 5 10 13044799 26089598 65223995 130447990