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14725420 = 2251634517
BaseRepresentation
bin111000001011…
…000100101100
31000201010110221
4320023010230
512232203140
61243341124
7236110153
oct70130454
930633427
1014725420
118348476
124b217a4
133087688
141d5459a
15145d14a
hexe0b12c

14725420 has 24 divisors (see below), whose sum is σ = 31119984. Its totient is φ = 5852736.

The previous prime is 14725379. The next prime is 14725421. The reversal of 14725420 is 2452741.

It is not an unprimeable number, because it can be changed into a prime (14725421) 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, 1002 + ... + 5518.

It is an arithmetic number, because the mean of its divisors is an integer number (1296666).

Almost surely, 214725420 is an apocalyptic number.

14725420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14725420 is an abundant number, since it is smaller than the sum of its proper divisors (16394564).

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

14725420 is a wasteful number, since it uses less digits than its factorization.

14725420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689 (or 4687 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 14725420 is about 3837.3714962198. The cubic root of 14725420 is about 245.1071029713.

The spelling of 14725420 in words is "fourteen million, seven hundred twenty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 163 326 652 815 1630 3260 4517 9034 18068 22585 45170 90340 736271 1472542 2945084 3681355 7362710 14725420