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6990452 = 227249659
BaseRepresentation
bin11010101010101001110100
3111011011002122
4122222221310
53242143302
6405455112
7113263220
oct32525164
914134078
106990452
113a45037
122411498
1315a9a81
14cdd780
159313a2
hex6aaa74

6990452 has 12 divisors (see below), whose sum is σ = 13980960. Its totient is φ = 2995896.

The previous prime is 6990439. The next prime is 6990463. The reversal of 6990452 is 2540996.

6990452 is an admirable number.

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, 124802 + ... + 124857.

It is an arithmetic number, because the mean of its divisors is an integer number (1165080).

Almost surely, 26990452 is an apocalyptic number.

It is an amenable number.

6990452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6990452 is a wasteful number, since it uses less digits than its factorization.

6990452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249670 (or 249668 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 6990452 is about 2643.9462929492. The cubic root of 6990452 is about 191.2061040983.

The spelling of 6990452 in words is "six million, nine hundred ninety thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 249659 499318 998636 1747613 3495226 6990452