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3390997 = 31109387
BaseRepresentation
bin1100111011111000010101
320101021120111
430323320111
51332002442
6200403021
740552201
oct14737025
96337514
103390997
111a06785
121176471
1391960c
14643b01
1546eb17
hex33be15

3390997 has 4 divisors (see below), whose sum is σ = 3500416. Its totient is φ = 3281580.

The previous prime is 3390991. The next prime is 3391021. The reversal of 3390997 is 7990933.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3390997 - 27 = 3390869 is a prime.

It is a super-2 number, since 2×33909972 = 22997721308018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3390991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54663 + ... + 54724.

It is an arithmetic number, because the mean of its divisors is an integer number (875104).

Almost surely, 23390997 is an apocalyptic number.

It is an amenable number.

3390997 is a deficient number, since it is larger than the sum of its proper divisors (109419).

3390997 is a wasteful number, since it uses less digits than its factorization.

3390997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109418.

The product of its (nonzero) digits is 45927, while the sum is 40.

The square root of 3390997 is about 1841.4659920835. The cubic root of 3390997 is about 150.2366191389.

The spelling of 3390997 in words is "three million, three hundred ninety thousand, nine hundred ninety-seven".

Divisors: 1 31 109387 3390997