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2960491 = 23128717
BaseRepresentation
bin1011010010110001101011
312120102000211
423102301223
51224213431
6143241551
734110112
oct13226153
95512024
102960491
111742296
12ba92b7
137c8691
14570c79
153d72b1
hex2d2c6b

2960491 has 4 divisors (see below), whose sum is σ = 3089232. Its totient is φ = 2831752.

The previous prime is 2960479. The next prime is 2960509. The reversal of 2960491 is 1940692.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2960491 - 25 = 2960459 is a prime.

It is a super-2 number, since 2×29604912 = 17529013922162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2960471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64336 + ... + 64381.

It is an arithmetic number, because the mean of its divisors is an integer number (772308).

22960491 is an apocalyptic number.

2960491 is a deficient number, since it is larger than the sum of its proper divisors (128741).

2960491 is a wasteful number, since it uses less digits than its factorization.

2960491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128740.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2960491 is about 1720.6077414681. The cubic root of 2960491 is about 143.5890256017.

The spelling of 2960491 in words is "two million, nine hundred sixty thousand, four hundred ninety-one".

Divisors: 1 23 128717 2960491