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6990716 = 222716449
BaseRepresentation
bin11010101010101101111100
3111011011110102
4122222231330
53242200331
6405500232
7113264045
oct32525574
914134412
106990716
113a45257
122411678
1315a9c25
14cdd8cc
159314cb
hex6aab7c

6990716 has 12 divisors (see below), whose sum is σ = 12280800. Its totient is φ = 3481920.

The previous prime is 6990703. The next prime is 6990721. The reversal of 6990716 is 6170996.

It is a super-2 number, since 2×69907162 = 97740220385312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6990716.

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, 2141 + ... + 4308.

It is an arithmetic number, because the mean of its divisors is an integer number (1023400).

Almost surely, 26990716 is an apocalyptic number.

It is an amenable number.

6990716 is a deficient number, since it is larger than the sum of its proper divisors (5290084).

6990716 is a wasteful number, since it uses less digits than its factorization.

6990716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6724 (or 6722 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 6990716 is about 2643.9962178490. The cubic root of 6990716 is about 191.2085110851.

The spelling of 6990716 in words is "six million, nine hundred ninety thousand, seven hundred sixteen".

Divisors: 1 2 4 271 542 1084 6449 12898 25796 1747679 3495358 6990716