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2149146 = 23339799
BaseRepresentation
bin1000001100101100011010
311001012002000
420030230122
51022233041
6114021430
724160506
oct10145432
94035060
102149146
11123875a
12877876
135a32ac
143dd306
152c6bb6
hex20cb1a

2149146 has 16 divisors (see below), whose sum is σ = 4776000. Its totient is φ = 716364.

The previous prime is 2149141. The next prime is 2149151. The reversal of 2149146 is 6419412.

It is an interprime number because it is at equal distance from previous prime (2149141) and next prime (2149151).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2149141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19846 + ... + 19953.

It is an arithmetic number, because the mean of its divisors is an integer number (298500).

22149146 is an apocalyptic number.

2149146 is an abundant number, since it is smaller than the sum of its proper divisors (2626854).

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

2149146 is a wasteful number, since it uses less digits than its factorization.

2149146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39810 (or 39804 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2149146 is about 1465.9965893548. The cubic root of 2149146 is about 129.0491970276.

The spelling of 2149146 in words is "two million, one hundred forty-nine thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 39799 79598 119397 238794 358191 716382 1074573 2149146