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14122920 = 23357172343
BaseRepresentation
bin110101110111…
…111110101000
3222120112000010
4311313332220
512103413140
61222411520
7231020460
oct65677650
928515003
1014122920
117a76839
124890ba0
132c06376
141c38ba0
15138e880
hexd77fa8

14122920 has 256 divisors, whose sum is σ = 54743040. Its totient is φ = 2838528.

The previous prime is 14122891. The next prime is 14122939. The reversal of 14122920 is 2922141.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 328419 + ... + 328461.

It is an arithmetic number, because the mean of its divisors is an integer number (213840).

Almost surely, 214122920 is an apocalyptic number.

14122920 is a gapful number since it is divisible by the number (10) 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 14122920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27371520).

14122920 is an abundant number, since it is smaller than the sum of its proper divisors (40620120).

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

14122920 is a wasteful number, since it uses less digits than its factorization.

14122920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 14122920 is about 3758.0473653215. The cubic root of 14122920 is about 241.7175403533.

The spelling of 14122920 in words is "fourteen million, one hundred twenty-two thousand, nine hundred twenty".