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14142905 = 573131291
BaseRepresentation
bin110101111100…
…110110111001
3222121112102022
4311330312321
512110033110
61223044225
7231132650
oct65746671
928545368
1014142905
117a8a857
1248a0675
132c124aa
141c42197
151395755
hexd7cdb9

14142905 has 16 divisors (see below), whose sum is σ = 19473024. Its totient is φ = 9659520.

The previous prime is 14142899. The next prime is 14142937. The reversal of 14142905 is 50924141.

It is not a de Polignac number, because 14142905 - 28 = 14142649 is a prime.

It is a Duffinian number.

It is a Curzon 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, 10310 + ... + 11600.

It is an arithmetic number, because the mean of its divisors is an integer number (1217064).

Almost surely, 214142905 is an apocalyptic number.

It is an amenable number.

14142905 is a deficient number, since it is larger than the sum of its proper divisors (5330119).

14142905 is a wasteful number, since it uses less digits than its factorization.

14142905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 14142905 is about 3760.7053859615. The cubic root of 14142905 is about 241.8315028157.

The spelling of 14142905 in words is "fourteen million, one hundred forty-two thousand, nine hundred five".

Divisors: 1 5 7 35 313 1291 1565 2191 6455 9037 10955 45185 404083 2020415 2828581 14142905