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163428395 = 513171311129
BaseRepresentation
bin10011011110110…
…11100000101011
3102101112000121112
421233123200223
5313314202040
624114500535
74023055424
oct1157334053
9371460545
10163428395
1184284199
124689474b
1327b210c0
14179c264b
15e533365
hex9bdb82b

163428395 has 32 divisors (see below), whose sum is σ = 225529920. Its totient is φ = 112619520.

The previous prime is 163428389. The next prime is 163428401. The reversal of 163428395 is 593824361.

It is an interprime number because it is at equal distance from previous prime (163428389) and next prime (163428401).

It is not a de Polignac number, because 163428395 - 210 = 163427371 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144191 + ... + 145319.

It is an arithmetic number, because the mean of its divisors is an integer number (7047810).

Almost surely, 2163428395 is an apocalyptic number.

163428395 is a deficient number, since it is larger than the sum of its proper divisors (62101525).

163428395 is a wasteful number, since it uses less digits than its factorization.

163428395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295.

The product of its digits is 155520, while the sum is 41.

The square root of 163428395 is about 12783.9115688431. The cubic root of 163428395 is about 546.7336929929.

The spelling of 163428395 in words is "one hundred sixty-three million, four hundred twenty-eight thousand, three hundred ninety-five".

Divisors: 1 5 13 17 65 85 131 221 655 1105 1129 1703 2227 5645 8515 11135 14677 19193 28951 73385 95965 144755 147899 249509 739495 1247545 1922687 2514283 9613435 12571415 32685679 163428395