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7942022 = 211361001
BaseRepresentation
bin11110010010111110000110
3112221111101222
4132102332012
54013121042
6442120342
7124335404
oct36227606
915844358
107942022
114534a60
1227b00b2
131850c2a
1410aa474
15a6d2d2
hex792f86

7942022 has 8 divisors (see below), whose sum is σ = 12996072. Its totient is φ = 3610000.

The previous prime is 7942003. The next prime is 7942031. The reversal of 7942022 is 2202497.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7941982 and 7942000.

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, 180479 + ... + 180522.

It is an arithmetic number, because the mean of its divisors is an integer number (1624509).

Almost surely, 27942022 is an apocalyptic number.

7942022 is a deficient number, since it is larger than the sum of its proper divisors (5054050).

7942022 is a wasteful number, since it uses less digits than its factorization.

7942022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361014.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 7942022 is about 2818.1593283560. The cubic root of 7942022 is about 199.5156781082.

The spelling of 7942022 in words is "seven million, nine hundred forty-two thousand, twenty-two".

Divisors: 1 2 11 22 361001 722002 3971011 7942022