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8912493 = 32990277
BaseRepresentation
bin100001111111…
…111001101101
3121202210122100
4201333321231
54240144433
6515005313
7135516642
oct41777155
917683570
108912493
1150380a7
122b99839
131b00885
14127ddc9
15bb0b13
hex87fe6d

8912493 has 6 divisors (see below), whose sum is σ = 12873614. Its totient is φ = 5941656.

The previous prime is 8912489. The next prime is 8912509. The reversal of 8912493 is 3942198.

It can be written as a sum of positive squares in only one way, i.e., 8398404 + 514089 = 2898^2 + 717^2 .

It is not a de Polignac number, because 8912493 - 22 = 8912489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8911493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495130 + ... + 495147.

Almost surely, 28912493 is an apocalyptic number.

It is an amenable number.

8912493 is a deficient number, since it is larger than the sum of its proper divisors (3961121).

8912493 is a wasteful number, since it uses less digits than its factorization.

8912493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990283 (or 990280 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 8912493 is about 2985.3798753258. The cubic root of 8912493 is about 207.3320303219.

The spelling of 8912493 in words is "eight million, nine hundred twelve thousand, four hundred ninety-three".

Divisors: 1 3 9 990277 2970831 8912493