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19922848 = 251156599
BaseRepresentation
bin100101111111…
…1111110100000
31101111012000021
41023333332200
520100012343
61551003224
7331225051
oct113777640
941435007
1019922848
1110278370
126809514
13418728a
142908728
151b380ed
hex12fffa0

19922848 has 24 divisors (see below), whose sum is σ = 42789600. Its totient is φ = 9055680.

The previous prime is 19922839. The next prime is 19922857. The reversal of 19922848 is 84822991.

It is an interprime number because it is at equal distance from previous prime (19922839) and next prime (19922857).

It is a super-2 number, since 2×199228482 = 793839744862208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27948 + ... + 28651.

It is an arithmetic number, because the mean of its divisors is an integer number (1782900).

Almost surely, 219922848 is an apocalyptic number.

It is an amenable number.

19922848 is an abundant number, since it is smaller than the sum of its proper divisors (22866752).

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

19922848 is a wasteful number, since it uses less digits than its factorization.

19922848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56620 (or 56612 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 19922848 is about 4463.5017643102. The cubic root of 19922848 is about 271.0922739657.

The spelling of 19922848 in words is "nineteen million, nine hundred twenty-two thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 56599 113198 226396 452792 622589 905584 1245178 1811168 2490356 4980712 9961424 19922848