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2122984 = 231913967
BaseRepresentation
bin1000000110010011101000
310222212012001
420012103220
51020413414
6113300344
724021313
oct10062350
93885161
102122984
111220036
128646b4
13594406
143d397a
152be074
hex2064e8

2122984 has 16 divisors (see below), whose sum is σ = 4190400. Its totient is φ = 1005552.

The previous prime is 2122979. The next prime is 2123027. The reversal of 2122984 is 4892212.

It is a super-2 number, since 2×21229842 = 9014122128512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6832 + ... + 7135.

It is an arithmetic number, because the mean of its divisors is an integer number (261900).

22122984 is an apocalyptic number.

It is an amenable number.

2122984 is a deficient number, since it is larger than the sum of its proper divisors (2067416).

2122984 is a wasteful number, since it uses less digits than its factorization.

2122984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13992 (or 13988 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 2122984 is about 1457.0463273349. The cubic root of 2122984 is about 128.5234101696.

It can be divided in two parts, 21 and 22984, that added together give a triangular number (23005 = T214).

The spelling of 2122984 in words is "two million, one hundred twenty-two thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 19 38 76 152 13967 27934 55868 111736 265373 530746 1061492 2122984