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8430942 = 2313108089
BaseRepresentation
bin100000001010…
…010101011110
3120212100002010
4200022111132
54124242232
6500412050
7131443002
oct40122536
916770063
108430942
114839323
1229a7026
131992630
141196702
15b180cc
hex80a55e

8430942 has 16 divisors (see below), whose sum is σ = 18159120. Its totient is φ = 2594112.

The previous prime is 8430941. The next prime is 8431013. The reversal of 8430942 is 2490348.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8430941) 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, 53967 + ... + 54122.

It is an arithmetic number, because the mean of its divisors is an integer number (1134945).

Almost surely, 28430942 is an apocalyptic number.

8430942 is an abundant number, since it is smaller than the sum of its proper divisors (9728178).

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

8430942 is a wasteful number, since it uses less digits than its factorization.

8430942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108107.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 8430942 is about 2903.6084446771. The cubic root of 8430942 is about 203.5285634234.

The spelling of 8430942 in words is "eight million, four hundred thirty thousand, nine hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 108089 216178 324267 648534 1405157 2810314 4215471 8430942