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2159164 = 227591307
BaseRepresentation
bin1000001111001000111100
311001200211001
420033020330
51023043124
6114140044
724231640
oct10171074
94050731
102159164
111245237
12881624
135a7a17
14402c20
152c9b44
hex20f23c

2159164 has 24 divisors (see below), whose sum is σ = 4394880. Its totient is φ = 908976.

The previous prime is 2159147. The next prime is 2159177. The reversal of 2159164 is 4619512.

2159164 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999 + ... + 2305.

It is an arithmetic number, because the mean of its divisors is an integer number (183120).

22159164 is an apocalyptic number.

It is an amenable number.

2159164 is an abundant number, since it is smaller than the sum of its proper divisors (2235716).

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

2159164 is a wasteful number, since it uses less digits than its factorization.

2159164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377 (or 1375 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 2159164 is about 1469.4094051693. The cubic root of 2159164 is about 129.2494023295.

The spelling of 2159164 in words is "two million, one hundred fifty-nine thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 59 118 236 413 826 1307 1652 2614 5228 9149 18298 36596 77113 154226 308452 539791 1079582 2159164