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7949042 = 26476143
BaseRepresentation
bin11110010100101011110010
3112221212000222
4132110223302
54013332132
6442213042
7124365023
oct36245362
915855028
107949042
11453a262
1227b4182
13185419a
1410acc4a
15a70412
hex794af2

7949042 has 8 divisors (see below), whose sum is σ = 11943936. Its totient is φ = 3967732.

The previous prime is 7949017. The next prime is 7949083. The reversal of 7949042 is 2409497.

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

It is a junction number, because it is equal to n+sod(n) for n = 7948993 and 7949011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1778 + ... + 4365.

It is an arithmetic number, because the mean of its divisors is an integer number (1492992).

Almost surely, 27949042 is an apocalyptic number.

7949042 is a deficient number, since it is larger than the sum of its proper divisors (3994894).

7949042 is a wasteful number, since it uses less digits than its factorization.

7949042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 7949042 is about 2819.4045470631. The cubic root of 7949042 is about 199.5744451576.

The spelling of 7949042 in words is "seven million, nine hundred forty-nine thousand, forty-two".

Divisors: 1 2 647 1294 6143 12286 3974521 7949042