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398089302 = 23132392593
BaseRepresentation
bin10111101110100…
…101110001010110
31000202002000212020
4113232211301112
51303402324202
6103300234010
712602463132
oct2756456126
91022060766
10398089302
11194790426
12b139b906
1364622a00
143ac283c2
1524e375bc
hex17ba5c56

398089302 has 24 divisors (see below), whose sum is σ = 862136424. Its totient is φ = 122488704.

The previous prime is 398089301. The next prime is 398089309. The reversal of 398089302 is 203980893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398089301) 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 11 ways as a sum of consecutive naturals, for example, 195283 + ... + 197310.

It is an arithmetic number, because the mean of its divisors is an integer number (35922351).

Almost surely, 2398089302 is an apocalyptic number.

398089302 is an abundant number, since it is smaller than the sum of its proper divisors (464047122).

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

398089302 is a wasteful number, since it uses less digits than its factorization.

398089302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392624 (or 392611 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 398089302 is about 19952.1753701194. The cubic root of 398089302 is about 735.6312481607.

The spelling of 398089302 in words is "three hundred ninety-eight million, eighty-nine thousand, three hundred two".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 1014 392593 785186 1177779 2355558 5103709 10207418 15311127 30622254 66348217 132696434 199044651 398089302