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14457213 = 328871811
BaseRepresentation
bin110111001001…
…100101111101
31000012111120100
4313021211331
512200112323
61233511313
7233612211
oct67114575
930174510
1014457213
118184a11
124a12539
132cc2584
141cc4941
151408943
hexdc997d

14457213 has 12 divisors (see below), whose sum is σ = 20917728. Its totient is φ = 9621960.

The previous prime is 14457211. The next prime is 14457227. The reversal of 14457213 is 31275441.

14457213 is a `hidden beast` number, since 1 + 445 + 7 + 213 = 666.

It is not a de Polignac number, because 14457213 - 21 = 14457211 is a prime.

It is a super-2 number, since 2×144572132 = 418022015454738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14457211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7078 + ... + 8888.

It is an arithmetic number, because the mean of its divisors is an integer number (1743144).

Almost surely, 214457213 is an apocalyptic number.

It is an amenable number.

14457213 is a deficient number, since it is larger than the sum of its proper divisors (6460515).

14457213 is a wasteful number, since it uses less digits than its factorization.

14457213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704 (or 2701 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 14457213 is about 3802.2641938719. The cubic root of 14457213 is about 243.6098586933.

The spelling of 14457213 in words is "fourteen million, four hundred fifty-seven thousand, two hundred thirteen".

Divisors: 1 3 9 887 1811 2661 5433 7983 16299 1606357 4819071 14457213