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942002391 = 31128545527
BaseRepresentation
bin111000001001011…
…101000011010111
32102122112200100110
4320021131003113
53412123034031
6233250214103
732225613441
oct7011350327
92378480313
10942002391
11443810380
12223584333
13120211785
148d171491
1557a76c46
hex3825d0d7

942002391 has 8 divisors (see below), whose sum is σ = 1370185344. Its totient is φ = 570910520.

The previous prime is 942002381. The next prime is 942002401. The reversal of 942002391 is 193200249.

942002391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (942002381) and next prime (942002401).

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

It is a cyclic number.

It is not a de Polignac number, because 942002391 - 25 = 942002359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942002381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14272731 + ... + 14272796.

It is an arithmetic number, because the mean of its divisors is an integer number (171273168).

Almost surely, 2942002391 is an apocalyptic number.

942002391 is a deficient number, since it is larger than the sum of its proper divisors (428182953).

942002391 is a wasteful number, since it uses less digits than its factorization.

942002391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28545541.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 942002391 is about 30692.0574579157. The cubic root of 942002391 is about 980.2811878807.

The spelling of 942002391 in words is "nine hundred forty-two million, two thousand, three hundred ninety-one".

Divisors: 1 3 11 33 28545527 85636581 314000797 942002391