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422904916 = 22715103747
BaseRepresentation
bin11001001101010…
…000010001010100
31002110202210111001
4121031100101110
51331230424131
6105544153044
713323426640
oct3115202124
91073683431
10422904916
111a779a7a5
12b9768784
1369800cc5
1440247c20
15271da261
hex19350454

422904916 has 12 divisors (see below), whose sum is σ = 845809888. Its totient is φ = 181244952.

The previous prime is 422904913. The next prime is 422904917. The reversal of 422904916 is 619409224.

It is a happy number.

422904916 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422904913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7551846 + ... + 7551901.

Almost surely, 2422904916 is an apocalyptic number.

It is an amenable number.

422904916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

422904916 is a wasteful number, since it uses less digits than its factorization.

422904916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15103758 (or 15103756 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 422904916 is about 20564.6521001450. The cubic root of 422904916 is about 750.6098246101.

The spelling of 422904916 in words is "four hundred twenty-two million, nine hundred four thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 28 15103747 30207494 60414988 105726229 211452458 422904916