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163230564 = 22372277603
BaseRepresentation
bin10011011101010…
…11001101100100
3102101010222020110
421232223031210
5313241334224
624110333020
74021302600
oct1156531544
9371128213
10163230564
11841595a2
12467ba170
1327a82043
1417970500
15e4e4929
hex9bab364

163230564 has 36 divisors (see below), whose sum is σ = 443055984. Its totient is φ = 46637136.

The previous prime is 163230523. The next prime is 163230581. The reversal of 163230564 is 465032361.

It is a super-4 number, since 4×1632305644 (a number of 34 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138214 + ... + 139389.

Almost surely, 2163230564 is an apocalyptic number.

163230564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

163230564 is an abundant number, since it is smaller than the sum of its proper divisors (279825420).

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

163230564 is a wasteful number, since it uses less digits than its factorization.

163230564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277624 (or 277615 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 163230564 is about 12776.1717270863. The cubic root of 163230564 is about 546.5129958374.

The spelling of 163230564 in words is "one hundred sixty-three million, two hundred thirty thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 277603 555206 832809 1110412 1665618 1943221 3331236 3886442 5829663 7772884 11659326 13602547 23318652 27205094 40807641 54410188 81615282 163230564