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393425310 = 23529452213
BaseRepresentation
bin10111011100110…
…011000110011110
31000102022002001210
4113130303012132
51301204102220
6103012245250
712515026365
oct2734630636
91012262053
10393425310
11192095293
12ab910826
136367bb55
143a3727dc
15248156e0
hex1773319e

393425310 has 32 divisors (see below), whose sum is σ = 976782240. Its totient is φ = 101295488.

The previous prime is 393425287. The next prime is 393425311. The reversal of 393425310 is 13524393.

It is a super-2 number, since 2×3934253102 = 309566949097192200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393425311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 225237 + ... + 226976.

It is an arithmetic number, because the mean of its divisors is an integer number (30524445).

Almost surely, 2393425310 is an apocalyptic number.

393425310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

393425310 is an abundant number, since it is smaller than the sum of its proper divisors (583356930).

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

393425310 is a wasteful number, since it uses less digits than its factorization.

393425310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452252.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 393425310 is about 19834.9517266869. The cubic root of 393425310 is about 732.7470835704.

The spelling of 393425310 in words is "three hundred ninety-three million, four hundred twenty-five thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 452213 904426 1356639 2261065 2713278 4522130 6783195 13114177 13566390 26228354 39342531 65570885 78685062 131141770 196712655 393425310