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14530020 = 22352310529
BaseRepresentation
bin110111011011…
…010111100100
31000100012102220
4313123113210
512204430040
61235232340
7234334401
oct67332744
930305386
1014530020
11822468a
124a486b0
13301975b
141d032a8
1514202d0
hexddb5e4

14530020 has 48 divisors (see below), whose sum is σ = 42456960. Its totient is φ = 3705856.

The previous prime is 14530007. The next prime is 14530039. The reversal of 14530020 is 2003541.

It is a super-2 number, since 2×145300202 = 422242962400800, which contains 22 as substring.

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

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, 3885 + ... + 6644.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 214530020 is an apocalyptic number.

14530020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14530020 is an abundant number, since it is smaller than the sum of its proper divisors (27926940).

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

14530020 is a wasteful number, since it uses less digits than its factorization.

14530020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10564 (or 10562 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 14530020 is about 3811.8263339245. The cubic root of 14530020 is about 244.0181165443.

Adding to 14530020 its reverse (2003541), we get a palindrome (16533561).

The spelling of 14530020 in words is "fourteen million, five hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 10529 21058 31587 42116 52645 63174 105290 126348 157935 210580 242167 315870 484334 631740 726501 968668 1210835 1453002 2421670 2906004 3632505 4843340 7265010 14530020