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942439680 = 283257132931
BaseRepresentation
bin111000001011000…
…111110100000000
32102200100220012100
4320023013310000
53412231032210
6233303430400
732232414360
oct7013076400
92380326170
10942439680
11443a89976
12223755400
13120335820
148d2469a0
1557b115c0
hex382c7d00

942439680 has 864 divisors, whose sum is σ = 4285532160. Its totient is φ = 185794560.

The previous prime is 942439679. The next prime is 942439699. The reversal of 942439680 is 86934249.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30401265 + ... + 30401295.

Almost surely, 2942439680 is an apocalyptic number.

942439680 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 942439680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142766080).

942439680 is an abundant number, since it is smaller than the sum of its proper divisors (3343092480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

942439680 is a wasteful number, since it uses less digits than its factorization.

942439680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 942439680 is about 30699.1804450868. The cubic root of 942439680 is about 980.4328505767.

The spelling of 942439680 in words is "nine hundred forty-two million, four hundred thirty-nine thousand, six hundred eighty".