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14469140 = 2257181571
BaseRepresentation
bin110111001100…
…100000010100
31000020002221002
4313030200110
512201003030
61234042432
7233662040
oct67144024
930202832
1014469140
118192974
124a19418
132cc7b2a
141cc9020
15140c245
hexdcc814

14469140 has 48 divisors (see below), whose sum is σ = 34978944. Its totient is φ = 4924800.

The previous prime is 14469137. The next prime is 14469167. The reversal of 14469140 is 4196441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25055 + ... + 25625.

It is an arithmetic number, because the mean of its divisors is an integer number (728728).

Almost surely, 214469140 is an apocalyptic number.

14469140 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 14469140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17489472).

14469140 is an abundant number, since it is smaller than the sum of its proper divisors (20509804).

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

14469140 is a wasteful number, since it uses less digits than its factorization.

14469140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 14469140 is about 3803.8322781111. The cubic root of 14469140 is about 243.6768318630.

The spelling of 14469140 in words is "fourteen million, four hundred sixty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 181 362 571 724 905 1142 1267 1810 2284 2534 2855 3620 3997 5068 5710 6335 7994 11420 12670 15988 19985 25340 39970 79940 103351 206702 413404 516755 723457 1033510 1446914 2067020 2893828 3617285 7234570 14469140