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14572240 = 245199587
BaseRepresentation
bin110111100101…
…101011010000
31000102100100121
4313211223100
512212302430
61240200024
7234601444
oct67455320
930370317
1014572240
118253381
124a69014
133032a37
141d14824
15142ca7a
hexde5ad0

14572240 has 40 divisors (see below), whose sum is σ = 35667360. Its totient is φ = 5521536.

The previous prime is 14572231. The next prime is 14572241. The reversal of 14572240 is 4227541.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14572241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3274 + ... + 6313.

It is an arithmetic number, because the mean of its divisors is an integer number (891684).

Almost surely, 214572240 is an apocalyptic number.

14572240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14572240 is an abundant number, since it is smaller than the sum of its proper divisors (21095120).

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

14572240 is a wasteful number, since it uses less digits than its factorization.

14572240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9619 (or 9613 counting only the distinct ones).

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

The square root of 14572240 is about 3817.3603445313. The cubic root of 14572240 is about 244.2542364837.

Adding to 14572240 its reverse (4227541), we get a palindrome (18799781).

The spelling of 14572240 in words is "fourteen million, five hundred seventy-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 9587 19174 38348 47935 76696 95870 153392 182153 191740 364306 383480 728612 766960 910765 1457224 1821530 2914448 3643060 7286120 14572240