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14969840 = 245187123
BaseRepresentation
bin111001000110…
…101111110000
31001011112202112
4321012233300
512313013330
61252504452
7241145564
oct71065760
931145675
1014969840
1184a5076
12501b128
1331419c2
141db96a4
1514aa795
hexe46bf0

14969840 has 20 divisors (see below), whose sum is σ = 34805064. Its totient is φ = 5987904.

The previous prime is 14969839. The next prime is 14969861. The reversal of 14969840 is 4896941.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×149698402 = 448192219251200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93482 + ... + 93641.

Almost surely, 214969840 is an apocalyptic number.

14969840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14969840 is an abundant number, since it is smaller than the sum of its proper divisors (19835224).

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

14969840 is a wasteful number, since it uses less digits than its factorization.

14969840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187136 (or 187130 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 14969840 is about 3869.0877477772. The cubic root of 14969840 is about 246.4558055137.

The spelling of 14969840 in words is "fourteen million, nine hundred sixty-nine thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 187123 374246 748492 935615 1496984 1871230 2993968 3742460 7484920 14969840