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14028520 = 2351131883
BaseRepresentation
bin110101100000…
…111011101000
3222101201111211
4311200323220
512042403040
61220402504
7230145322
oct65407350
928351454
1014028520
117a11920
124846434
132ba23cc
141c12612
1513718ea
hexd60ee8

14028520 has 32 divisors (see below), whose sum is σ = 34434720. Its totient is φ = 5101120.

The previous prime is 14028503. The next prime is 14028533. The reversal of 14028520 is 2582041.

14028520 is digitally balanced in base 2, because in such base 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 (22).

It is a junction number, because it is equal to n+sod(n) for n = 14028491 and 14028500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15502 + ... + 16381.

It is an arithmetic number, because the mean of its divisors is an integer number (1076085).

Almost surely, 214028520 is an apocalyptic number.

14028520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14028520 is an abundant number, since it is smaller than the sum of its proper divisors (20406200).

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

14028520 is a wasteful number, since it uses less digits than its factorization.

14028520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31905 (or 31901 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 14028520 is about 3745.4665930962. The cubic root of 14028520 is about 241.1777755467.

The spelling of 14028520 in words is "fourteen million, twenty-eight thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 31883 63766 127532 159415 255064 318830 350713 637660 701426 1275320 1402852 1753565 2805704 3507130 7014260 14028520