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309113164 = 222272771229
BaseRepresentation
bin10010011011001…
…011000101001100
3210112122120112201
4102123023011030
51113113110124
650401211244
710442263363
oct2233130514
9715576481
10309113164
11149539328
1287630b24
134c06bac9
142d0a67da
151c20e144
hex126cb14c

309113164 has 24 divisors (see below), whose sum is σ = 545736240. Its totient is φ = 153195456.

The previous prime is 309113149. The next prime is 309113177. The reversal of 309113164 is 461311903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250902 + ... + 252130.

It is an arithmetic number, because the mean of its divisors is an integer number (22739010).

Almost surely, 2309113164 is an apocalyptic number.

It is an amenable number.

309113164 is a deficient number, since it is larger than the sum of its proper divisors (236623076).

309113164 is a wasteful number, since it uses less digits than its factorization.

309113164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 309113164 is about 17581.6143741125. The cubic root of 309113164 is about 676.1439506475.

The spelling of 309113164 in words is "three hundred nine million, one hundred thirteen thousand, one hundred sixty-four".

Divisors: 1 2 4 227 277 454 554 908 1108 1229 2458 4916 62879 125758 251516 278983 340433 557966 680866 1115932 1361732 77278291 154556582 309113164