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306328164 = 223137389479
BaseRepresentation
bin10010010000100…
…011001001100100
3210100102002020120
4102100203021210
51111410000124
650221401540
710406514012
oct2220431144
9710362216
10306328164
11147a0697a
12867092b0
134b60528c
142c97d8b2
151bd5dd79
hex12423264

306328164 has 48 divisors (see below), whose sum is σ = 723340800. Its totient is φ = 100892416.

The previous prime is 306328147. The next prime is 306328171. The reversal of 306328164 is 461823603.

It is a super-2 number, since 2×3063281642 = 187673888119221792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639277 + ... + 639755.

It is an arithmetic number, because the mean of its divisors is an integer number (15069600).

Almost surely, 2306328164 is an apocalyptic number.

It is an amenable number.

306328164 is an abundant number, since it is smaller than the sum of its proper divisors (417012636).

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

306328164 is a wasteful number, since it uses less digits than its factorization.

306328164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 306328164 is about 17502.2331146628. The cubic root of 306328164 is about 674.1072158448.

The spelling of 306328164 in words is "three hundred six million, three hundred twenty-eight thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 137 274 389 411 479 548 778 822 958 1167 1437 1556 1644 1916 2334 2874 4668 5748 53293 65623 106586 131246 159879 186331 196869 213172 262492 319758 372662 393738 558993 639516 745324 787476 1117986 2235972 25527347 51054694 76582041 102109388 153164082 306328164