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6992642 = 25096869
BaseRepresentation
bin11010101011001100000010
3111011021002202
4122223030002
53242231032
6405513202
7113302466
oct32531402
914137082
106992642
113a46748
122412802
1315aaa77
14d004a6
15931d62
hex6ab302

6992642 has 8 divisors (see below), whose sum is σ = 10511100. Its totient is φ = 3488944.

The previous prime is 6992599. The next prime is 6992651. The reversal of 6992642 is 2462996.

It can be written as a sum of positive squares in 2 ways, for example, as 6806881 + 185761 = 2609^2 + 431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 63 + 92 + 97 + 25 + 66 + 48 + 221 .

It is a junction number, because it is equal to n+sod(n) for n = 6992596 and 6992605.

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, 2417 + ... + 4452.

Almost surely, 26992642 is an apocalyptic number.

6992642 is a deficient number, since it is larger than the sum of its proper divisors (3518458).

6992642 is a wasteful number, since it uses less digits than its factorization.

6992642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380.

The product of its digits is 46656, while the sum is 38.

The square root of 6992642 is about 2644.3604141645. The cubic root of 6992642 is about 191.2260693141.

The spelling of 6992642 in words is "six million, nine hundred ninety-two thousand, six hundred forty-two".

Divisors: 1 2 509 1018 6869 13738 3496321 6992642