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14724140 = 2252332009
BaseRepresentation
bin111000001010…
…110000101100
31000201001201112
4320022300230
512232133030
61243331152
7236103344
oct70126054
930631645
1014724140
118347512
124b20ab8
133086c12
141d53d24
15145ca95
hexe0ac2c

14724140 has 24 divisors (see below), whose sum is σ = 32266080. Its totient is φ = 5633408.

The previous prime is 14724133. The next prime is 14724181. The reversal of 14724140 is 4142741.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 15545 + ... + 16464.

It is an arithmetic number, because the mean of its divisors is an integer number (1344420).

Almost surely, 214724140 is an apocalyptic number.

14724140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14724140 is an abundant number, since it is smaller than the sum of its proper divisors (17541940).

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

14724140 is a wasteful number, since it uses less digits than its factorization.

14724140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32041 (or 32039 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 14724140 is about 3837.2047117661. The cubic root of 14724140 is about 245.1000008268.

Adding to 14724140 its reverse (4142741), we get a palindrome (18866881).

The spelling of 14724140 in words is "fourteen million, seven hundred twenty-four thousand, one hundred forty".