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6890424 = 233535417
BaseRepresentation
bin11010010010001110111000
3110222001212220
4122102032320
53230443144
6403404040
7112365462
oct32221670
913861786
106890424
113986972
122383620
131573398
14cb5132
15911919
hex6923b8

6890424 has 32 divisors (see below), whose sum is σ = 17554320. Its totient is φ = 2253056.

The previous prime is 6890413. The next prime is 6890437. The reversal of 6890424 is 4240986.

6890424 = T401 + T402 + ... + T472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437 + ... + 3980.

Almost surely, 26890424 is an apocalyptic number.

It is an amenable number.

6890424 is an abundant number, since it is smaller than the sum of its proper divisors (10663896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6890424 is a wasteful number, since it uses less digits than its factorization.

6890424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479 (or 5475 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 6890424 is about 2624.9617140065. The cubic root of 6890424 is about 190.2897149849.

The spelling of 6890424 in words is "six million, eight hundred ninety thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 212 318 424 636 1272 5417 10834 16251 21668 32502 43336 65004 130008 287101 574202 861303 1148404 1722606 2296808 3445212 6890424