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6990472 = 231994391
BaseRepresentation
bin11010101010101010001000
3111011011010101
4122222222020
53242143342
6405455144
7113263246
oct32525210
914134111
106990472
113a45055
1224114b4
1315a9a98
14cdd796
159313b7
hex6aaa88

6990472 has 16 divisors (see below), whose sum is σ = 13176000. Its totient is φ = 3476880.

The previous prime is 6990463. The next prime is 6990493. The reversal of 6990472 is 2740996.

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, 604 + ... + 3787.

It is an arithmetic number, because the mean of its divisors is an integer number (823500).

Almost surely, 26990472 is an apocalyptic number.

It is an amenable number.

6990472 is a deficient number, since it is larger than the sum of its proper divisors (6185528).

6990472 is a wasteful number, since it uses less digits than its factorization.

6990472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596 (or 4592 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 6990472 is about 2643.9500751716. The cubic root of 6990472 is about 191.2062864480.

The spelling of 6990472 in words is "six million, nine hundred ninety thousand, four hundred seventy-two".

Divisors: 1 2 4 8 199 398 796 1592 4391 8782 17564 35128 873809 1747618 3495236 6990472