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14520428 = 2213377547
BaseRepresentation
bin110111011001…
…000001101100
31000022201021122
4313121001230
512204123203
61235120112
7234264416
oct67310154
930281248
1014520428
11821845a
124a43038
133015290
141cdd9b6
15141c538
hexdd906c

14520428 has 24 divisors (see below), whose sum is σ = 28108752. Its totient is φ = 6519744.

The previous prime is 14520421. The next prime is 14520469. The reversal of 14520428 is 82402541.

It is a happy number.

14520428 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 (26).

It is a junction number, because it is equal to n+sod(n) for n = 14520397 and 14520406.

It is not an unprimeable number, because it can be changed into a prime (14520421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850 + ... + 5697.

It is an arithmetic number, because the mean of its divisors is an integer number (1171198).

Almost surely, 214520428 is an apocalyptic number.

It is an amenable number.

14520428 is a deficient number, since it is larger than the sum of its proper divisors (13588324).

14520428 is a wasteful number, since it uses less digits than its factorization.

14520428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601 (or 7599 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 14520428 is about 3810.5679366730. The cubic root of 14520428 is about 243.9644084967.

Adding to 14520428 its reverse (82402541), we get a palindrome (96922969).

The spelling of 14520428 in words is "fourteen million, five hundred twenty thousand, four hundred twenty-eight".

Divisors: 1 2 4 13 26 37 52 74 148 481 962 1924 7547 15094 30188 98111 196222 279239 392444 558478 1116956 3630107 7260214 14520428