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709772130 = 23257886357
BaseRepresentation
bin101010010011100…
…100001101100010
31211110120011022200
4222103210031202
52423200202010
6154232514030
723405651334
oct5223441542
91743504280
10709772130
11334714341
1217984b916
13b4081312
146a39d454
15424a2cc0
hex2a4e4362

709772130 has 24 divisors (see below), whose sum is σ = 1845407772. Its totient is φ = 189272544.

The previous prime is 709772099. The next prime is 709772137. The reversal of 709772130 is 31277907.

709772130 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 671690889 + 38081241 = 25917^2 + 6171^2 .

It is not an unprimeable number, because it can be changed into a prime (709772137) 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 11 ways as a sum of consecutive naturals, for example, 3943089 + ... + 3943268.

Almost surely, 2709772130 is an apocalyptic number.

709772130 is an abundant number, since it is smaller than the sum of its proper divisors (1135635642).

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

709772130 is a wasteful number, since it uses less digits than its factorization.

709772130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7886370 (or 7886367 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 709772130 is about 26641.5489414561. The cubic root of 709772130 is about 892.0166909879.

The spelling of 709772130 in words is "seven hundred nine million, seven hundred seventy-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 7886357 15772714 23659071 39431785 47318142 70977213 78863570 118295355 141954426 236590710 354886065 709772130