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942420491 = 3134078923
BaseRepresentation
bin111000001011000…
…011001000001011
32102200022220212122
4320023003020023
53412224423431
6233303201455
732232304415
oct7013031013
92380286778
10942420491
11443a76511
1222374628b
13120329b7c
148d23d9b5
1557b0aa7b
hex382c320b

942420491 has 8 divisors (see below), whose sum is σ = 973215744. Its totient is φ = 911649960.

The previous prime is 942420473. The next prime is 942420503. The reversal of 942420491 is 194024249.

It is a happy number.

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 942420491 - 214 = 942404107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (942420421) 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, 101156 + ... + 110078.

It is an arithmetic number, because the mean of its divisors is an integer number (121651968).

Almost surely, 2942420491 is an apocalyptic number.

942420491 is a deficient number, since it is larger than the sum of its proper divisors (30795253).

942420491 is a wasteful number, since it uses less digits than its factorization.

942420491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12361.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 942420491 is about 30698.8679107227. The cubic root of 942420491 is about 980.4261963388.

The spelling of 942420491 in words is "nine hundred forty-two million, four hundred twenty thousand, four hundred ninety-one".

Divisors: 1 31 3407 8923 105617 276613 30400661 942420491