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7942028 = 224179613
BaseRepresentation
bin11110010010111110001100
3112221111102012
4132102332030
54013121103
6442120352
7124335413
oct36227614
915844365
107942028
114534a66
1227b00b8
131850c33
1410aa47a
15a6d2d8
hex792f8c

7942028 has 24 divisors (see below), whose sum is σ = 14441280. Its totient is φ = 3818880.

The previous prime is 7942003. The next prime is 7942031. The reversal of 7942028 is 8202497.

It is a junction number, because it is equal to n+sod(n) for n = 7941985 and 7942003.

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 7 ways as a sum of consecutive naturals, for example, 12650 + ... + 13262.

It is an arithmetic number, because the mean of its divisors is an integer number (601720).

Almost surely, 27942028 is an apocalyptic number.

It is an amenable number.

7942028 is a deficient number, since it is larger than the sum of its proper divisors (6499252).

7942028 is a wasteful number, since it uses less digits than its factorization.

7942028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 7942028 is about 2818.1603928804. The cubic root of 7942028 is about 199.5157283513.

The spelling of 7942028 in words is "seven million, nine hundred forty-two thousand, twenty-eight".

Divisors: 1 2 4 41 79 82 158 164 316 613 1226 2452 3239 6478 12956 25133 48427 50266 96854 100532 193708 1985507 3971014 7942028