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2149137 = 32317703
BaseRepresentation
bin1000001100101100010001
311001012001200
420030230101
51022233022
6114021413
724160464
oct10145421
94035050
102149137
111238751
12877869
135a32a3
143dd2db
152c6bac
hex20cb11

2149137 has 12 divisors (see below), whose sum is σ = 3204864. Its totient is φ = 1386360.

The previous prime is 2149127. The next prime is 2149139. The reversal of 2149137 is 7319412.

It is not a de Polignac number, because 2149137 - 218 = 1886993 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2149137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3573 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (267072).

22149137 is an apocalyptic number.

It is an amenable number.

2149137 is a deficient number, since it is larger than the sum of its proper divisors (1055727).

2149137 is a wasteful number, since it uses less digits than its factorization.

2149137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740 (or 7737 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 2149137 is about 1465.9935197674. The cubic root of 2149137 is about 129.0490168871.

It can be divided in two parts, 21491 and 37, that added together give a triangular number (21528 = T207).

The spelling of 2149137 in words is "two million, one hundred forty-nine thousand, one hundred thirty-seven".

Divisors: 1 3 9 31 93 279 7703 23109 69327 238793 716379 2149137