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14452621 = 89162389
BaseRepresentation
bin110111001000…
…011110001101
31000012021021021
4313020132031
512144440441
61233434141
7233562631
oct67103615
930167237
1014452621
118181517
124a0b951
132cc0461
141cc2dc1
1514073d1
hexdc878d

14452621 has 4 divisors (see below), whose sum is σ = 14615100. Its totient is φ = 14290144.

The previous prime is 14452591. The next prime is 14452649. The reversal of 14452621 is 12625441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12625441 = 17742673.

It can be written as a sum of positive squares in 2 ways, for example, as 3759721 + 10692900 = 1939^2 + 3270^2 .

It is a cyclic number.

It is not a de Polignac number, because 14452621 - 25 = 14452589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14452021) 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 3 ways as a sum of consecutive naturals, for example, 81106 + ... + 81283.

It is an arithmetic number, because the mean of its divisors is an integer number (3653775).

Almost surely, 214452621 is an apocalyptic number.

It is an amenable number.

14452621 is a deficient number, since it is larger than the sum of its proper divisors (162479).

14452621 is an equidigital number, since it uses as much as digits as its factorization.

14452621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162478.

The product of its digits is 1920, while the sum is 25.

The square root of 14452621 is about 3801.6602951868. The cubic root of 14452621 is about 243.5840636125.

The spelling of 14452621 in words is "fourteen million, four hundred fifty-two thousand, six hundred twenty-one".

Divisors: 1 89 162389 14452621