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2997491 = 71725189
BaseRepresentation
bin1011011011110011110011
312122021210012
423123303303
51231404431
6144125135
734323020
oct13336363
95567705
102997491
111768072
1210067ab
1380c483
14580547
153e322b
hex2dbcf3

2997491 has 8 divisors (see below), whose sum is σ = 3627360. Its totient is φ = 2418048.

The previous prime is 2997473. The next prime is 2997499. The reversal of 2997491 is 1947992.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2997491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2997499) 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, 12476 + ... + 12713.

It is an arithmetic number, because the mean of its divisors is an integer number (453420).

22997491 is an apocalyptic number.

2997491 is a deficient number, since it is larger than the sum of its proper divisors (629869).

2997491 is a wasteful number, since it uses less digits than its factorization.

2997491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25213.

The product of its digits is 40824, while the sum is 41.

The square root of 2997491 is about 1731.3263701567. The cubic root of 2997491 is about 144.1847391038.

The spelling of 2997491 in words is "two million, nine hundred ninety-seven thousand, four hundred ninety-one".

Divisors: 1 7 17 119 25189 176323 428213 2997491