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7138492 = 221979059
BaseRepresentation
bin11011001110110010111100
3111102200011121
4123032302330
53311412432
6413000324
7114450634
oct33166274
914380147
107138492
114036289
1224830a4
13162c27a
14d3b6c4
15960197
hex6cecbc

7138492 has 12 divisors (see below), whose sum is σ = 12557160. Its totient is φ = 3550736.

The previous prime is 7138489. The next prime is 7138513. The reversal of 7138492 is 2948317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3742 + ... + 5317.

It is an arithmetic number, because the mean of its divisors is an integer number (1046430).

Almost surely, 27138492 is an apocalyptic number.

It is an amenable number.

7138492 is a deficient number, since it is larger than the sum of its proper divisors (5418668).

7138492 is a wasteful number, since it uses less digits than its factorization.

7138492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9260 (or 9258 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 7138492 is about 2671.7956508685. The cubic root of 7138492 is about 192.5464395745.

The spelling of 7138492 in words is "seven million, one hundred thirty-eight thousand, four hundred ninety-two".

Divisors: 1 2 4 197 394 788 9059 18118 36236 1784623 3569246 7138492