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6890290 = 251162639
BaseRepresentation
bin11010010010001100110010
3110222001200221
4122102030302
53230442130
6403403254
7112365211
oct32221462
913861627
106890290
113986860
12238352a
1315732c4
14cb5078
1591187a
hex692332

6890290 has 16 divisors (see below), whose sum is σ = 13530240. Its totient is φ = 2505520.

The previous prime is 6890269. The next prime is 6890309. The reversal of 6890290 is 920986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31210 + ... + 31429.

It is an arithmetic number, because the mean of its divisors is an integer number (845640).

Almost surely, 26890290 is an apocalyptic number.

6890290 is a deficient number, since it is larger than the sum of its proper divisors (6639950).

6890290 is a wasteful number, since it uses less digits than its factorization.

6890290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62657.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 6890290 is about 2624.9361897006. The cubic root of 6890290 is about 190.2884814378.

The spelling of 6890290 in words is "six million, eight hundred ninety thousand, two hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 62639 125278 313195 626390 689029 1378058 3445145 6890290