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14457869 = 237379109
BaseRepresentation
bin110111001001…
…110000001101
31000012112110122
4313021300031
512200122434
61233514325
7233614136
oct67116015
930175418
1014457869
118185458
124a129a5
132cc296a
141cc4c8d
151408c2e
hexdc9c0d

14457869 has 16 divisors (see below), whose sum is σ = 15628800. Its totient is φ = 13343616.

The previous prime is 14457809. The next prime is 14457881. The reversal of 14457869 is 96875441.

14457869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 14457869 - 212 = 14453773 is a prime.

It is a super-2 number, since 2×144578692 = 418059952042322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14457809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132587 + ... + 132695.

It is an arithmetic number, because the mean of its divisors is an integer number (976800).

Almost surely, 214457869 is an apocalyptic number.

It is an amenable number.

14457869 is a deficient number, since it is larger than the sum of its proper divisors (1170931).

14457869 is a wasteful number, since it uses less digits than its factorization.

14457869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284.

The product of its digits is 241920, while the sum is 44.

The square root of 14457869 is about 3802.3504572830. The cubic root of 14457869 is about 243.6135432589.

The spelling of 14457869 in words is "fourteen million, four hundred fifty-seven thousand, eight hundred sixty-nine".

Divisors: 1 23 73 79 109 1679 1817 2507 5767 7957 8611 132641 183011 198053 628603 14457869