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14031420 = 22351317989
BaseRepresentation
bin110101100001…
…101000111100
3222101212111020
4311201220330
512043001140
61220424140
7230156634
oct65415074
928355436
1014031420
117a14017
124848050
132ba3820
141c136c4
1513726d0
hexd61a3c

14031420 has 48 divisors (see below), whose sum is σ = 42312480. Its totient is φ = 3453696.

The previous prime is 14031419. The next prime is 14031463. The reversal of 14031420 is 2413041.

14031420 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 14031420.

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, 8215 + ... + 9774.

It is an arithmetic number, because the mean of its divisors is an integer number (881510).

Almost surely, 214031420 is an apocalyptic number.

14031420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14031420 is an abundant number, since it is smaller than the sum of its proper divisors (28281060).

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

14031420 is a wasteful number, since it uses less digits than its factorization.

14031420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18014 (or 18012 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 14031420 is about 3745.8537077681. The cubic root of 14031420 is about 241.1943932978.

Adding to 14031420 its reverse (2413041), we get a palindrome (16444461).

The spelling of 14031420 in words is "fourteen million, thirty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 17989 35978 53967 71956 89945 107934 179890 215868 233857 269835 359780 467714 539670 701571 935428 1079340 1169285 1403142 2338570 2806284 3507855 4677140 7015710 14031420