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7953942 = 231325657
BaseRepresentation
bin11110010101111000010110
3112222002202110
4132111320112
54014011232
6442251450
7124415223
oct36257026
915862673
107953942
114542a07
1227b6b86
131856499
1410b094a
15a71acc
hex795e16

7953942 has 8 divisors (see below), whose sum is σ = 15907896. Its totient is φ = 2651312.

The previous prime is 7953931. The next prime is 7953971. The reversal of 7953942 is 2493597.

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

7953942 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 7953942.

It is a congruent number.

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, 662823 + ... + 662834.

It is an arithmetic number, because the mean of its divisors is an integer number (1988487).

Almost surely, 27953942 is an apocalyptic number.

7953942 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.

7953942 is a wasteful number, since it uses less digits than its factorization.

7953942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325662.

The product of its digits is 68040, while the sum is 39.

The square root of 7953942 is about 2820.2733910031. The cubic root of 7953942 is about 199.6154443922.

The spelling of 7953942 in words is "seven million, nine hundred fifty-three thousand, nine hundred forty-two".

Divisors: 1 2 3 6 1325657 2651314 3976971 7953942