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422839416 = 23398317923
BaseRepresentation
bin11001001101000…
…000010001111000
31002110122110122010
4121031000101320
51331221330131
6105542525520
713323034656
oct3115002170
91073573563
10422839416
111a775556a
12b97368a0
13697aa24c
144022bdd6
15271c5b46
hex19340478

422839416 has 32 divisors (see below), whose sum is σ = 1058232960. Its totient is φ = 140795232.

The previous prime is 422839399. The next prime is 422839423. The reversal of 422839416 is 614938224.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14631 + ... + 32553.

It is an arithmetic number, because the mean of its divisors is an integer number (33069780).

Almost surely, 2422839416 is an apocalyptic number.

It is an amenable number.

422839416 is an abundant number, since it is smaller than the sum of its proper divisors (635393544).

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

422839416 is a wasteful number, since it uses less digits than its factorization.

422839416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18915 (or 18911 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 422839416 is about 20563.0594999869. The cubic root of 422839416 is about 750.5710708382.

The spelling of 422839416 in words is "four hundred twenty-two million, eight hundred thirty-nine thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 983 1966 2949 3932 5898 7864 11796 17923 23592 35846 53769 71692 107538 143384 215076 430152 17618309 35236618 52854927 70473236 105709854 140946472 211419708 422839416