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8490492 = 22321912413
BaseRepresentation
bin100000011000…
…110111111100
3120222100202200
4200120313330
54133143432
6501551500
7132111423
oct40306774
916870680
108490492
11487a03a
122a15590
1319b377a
1411b02ba
15b2aa7c
hex818dfc

8490492 has 36 divisors (see below), whose sum is σ = 22593480. Its totient is φ = 2680992.

The previous prime is 8490491. The next prime is 8490499. The reversal of 8490492 is 2940948.

It is a happy number.

8490492 is a `hidden beast` number, since 84 + 90 + 492 = 666.

8490492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8490491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5523 + ... + 6890.

Almost surely, 28490492 is an apocalyptic number.

It is an amenable number.

8490492 is an abundant number, since it is smaller than the sum of its proper divisors (14102988).

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

8490492 is a wasteful number, since it uses less digits than its factorization.

8490492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12442 (or 12437 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 8490492 is about 2913.8448826250. The cubic root of 8490492 is about 204.0066318490.

The spelling of 8490492 in words is "eight million, four hundred ninety thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 12413 24826 37239 49652 74478 111717 148956 223434 235847 446868 471694 707541 943388 1415082 2122623 2830164 4245246 8490492