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2144964 = 223374831
BaseRepresentation
bin1000001011101011000100
311000222100010
420023223010
51022114324
6113550220
724142353
oct10135304
94028303
102144964
1112355a8
12875370
135a1413
143db99a
152c5829
hex20bac4

2144964 has 24 divisors (see below), whose sum is σ = 5141248. Its totient is φ = 695520.

The previous prime is 2144953. The next prime is 2144971. The reversal of 2144964 is 4694412.

It is a super-2 number, since 2×21449642 = 9201741122592, which contains 22 as substring.

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, 1972 + ... + 2859.

22144964 is an apocalyptic number.

It is an amenable number.

2144964 is an abundant number, since it is smaller than the sum of its proper divisors (2996284).

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

2144964 is a wasteful number, since it uses less digits than its factorization.

2144964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875 (or 4873 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 2144964 is about 1464.5695613388. The cubic root of 2144964 is about 128.9654375287.

The spelling of 2144964 in words is "two million, one hundred forty-four thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 4831 9662 14493 19324 28986 57972 178747 357494 536241 714988 1072482 2144964