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14980220 = 225749011
BaseRepresentation
bin111001001001…
…010001111100
31001012001222222
4321021101330
512313331340
61253024512
7241221053
oct71112174
931161888
1014980220
118501952
125025138
133146648
141dbd39a
1514ad8b5
hexe4947c

14980220 has 12 divisors (see below), whose sum is σ = 31458504. Its totient is φ = 5992080.

The previous prime is 14980201. The next prime is 14980237. The reversal of 14980220 is 2208941.

14980220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 14980220.

It is a congruent number.

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, 374486 + ... + 374525.

It is an arithmetic number, because the mean of its divisors is an integer number (2621542).

Almost surely, 214980220 is an apocalyptic number.

14980220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14980220 is an abundant number, since it is smaller than the sum of its proper divisors (16478284).

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

14980220 is a wasteful number, since it uses less digits than its factorization.

14980220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749020 (or 749018 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 14980220 is about 3870.4289167998. The cubic root of 14980220 is about 246.5127560268.

The spelling of 14980220 in words is "fourteen million, nine hundred eighty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 749011 1498022 2996044 3745055 7490110 14980220