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130388022 = 2332414593
BaseRepresentation
bin1111100010110…
…01000000110110
3100002100101202000
413301121000312
5231334404042
620534400130
73142165002
oct761310066
9302311660
10130388022
11676674a6
1237800046
132102329b
1413461702
15b6a874c
hex7c59036

130388022 has 16 divisors (see below), whose sum is σ = 289751280. Its totient is φ = 43462656.

The previous prime is 130387993. The next prime is 130388023. The reversal of 130388022 is 220883031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130388023) by changing a digit.

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, 1207243 + ... + 1207350.

It is an arithmetic number, because the mean of its divisors is an integer number (18109455).

Almost surely, 2130388022 is an apocalyptic number.

130388022 is an abundant number, since it is smaller than the sum of its proper divisors (159363258).

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

130388022 is a wasteful number, since it uses less digits than its factorization.

130388022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414604 (or 2414598 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 130388022 is about 11418.7574630517. The cubic root of 130388022 is about 507.0832117193.

The spelling of 130388022 in words is "one hundred thirty million, three hundred eighty-eight thousand, twenty-two".

Divisors: 1 2 3 6 9 18 27 54 2414593 4829186 7243779 14487558 21731337 43462674 65194011 130388022