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2981164 = 223720143
BaseRepresentation
bin1011010111110100101100
312121110101111
423113310230
51230344124
6143521404
734224304
oct13276454
95543344
102981164
11175687a
12bb9264
13804c04
14578604
153dd494
hex2d7d2c

2981164 has 12 divisors (see below), whose sum is σ = 5358304. Its totient is φ = 1450224.

The previous prime is 2981159. The next prime is 2981179. The reversal of 2981164 is 4611892.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 9924 + ... + 10219.

22981164 is an apocalyptic number.

It is an amenable number.

2981164 is a deficient number, since it is larger than the sum of its proper divisors (2377140).

2981164 is a wasteful number, since it uses less digits than its factorization.

2981164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20184 (or 20182 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 2981164 is about 1726.6047607950. The cubic root of 2981164 is about 143.9224762760.

It can be divided in two parts, 298116 and 4, that multiplied together give a square (1192464 = 10922).

The spelling of 2981164 in words is "two million, nine hundred eighty-one thousand, one hundred sixty-four".

Divisors: 1 2 4 37 74 148 20143 40286 80572 745291 1490582 2981164