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2146149 = 33101787
BaseRepresentation
bin1000001011111101100101
311001000222000
420023331211
51022134044
6113555513
724145665
oct10137545
94030860
102146149
111236485
12875b99
135a1b15
143dc1a5
152c5d69
hex20bf65

2146149 has 16 divisors (see below), whose sum is σ = 3215040. Its totient is φ = 1414800.

The previous prime is 2146141. The next prime is 2146159. The reversal of 2146149 is 9416412.

It is not a de Polignac number, because 2146149 - 23 = 2146141 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2334 + ... + 3120.

It is an arithmetic number, because the mean of its divisors is an integer number (200940).

22146149 is an apocalyptic number.

It is an amenable number.

2146149 is a deficient number, since it is larger than the sum of its proper divisors (1068891).

2146149 is a wasteful number, since it uses less digits than its factorization.

2146149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 891 counting only the distinct ones).

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

The square root of 2146149 is about 1464.9740612038. The cubic root of 2146149 is about 128.9891824352.

The spelling of 2146149 in words is "two million, one hundred forty-six thousand, one hundred forty-nine".

Divisors: 1 3 9 27 101 303 787 909 2361 2727 7083 21249 79487 238461 715383 2146149