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22514 = 211257
BaseRepresentation
bin101011111110010
31010212212
411133302
51210024
6252122
7122432
oct53762
933785
1022514
1115a08
1211042
13a32b
1482c2
156a0e
hex57f2

22514 has 4 divisors (see below), whose sum is σ = 33774. Its totient is φ = 11256.

The previous prime is 22511. The next prime is 22531. The reversal of 22514 is 41522.

Subtracting from 22514 its sum of digits (14), we obtain a square (22500 = 1502).

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15625 + 6889 = 125^2 + 83^2 .

It is not an unprimeable number, because it can be changed into a prime (22511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5627 + ... + 5630.

222514 is an apocalyptic number.

22514 is a deficient number, since it is larger than the sum of its proper divisors (11260).

22514 is a wasteful number, since it uses less digits than its factorization.

22514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11259.

The product of its digits is 80, while the sum is 14.

The square root of 22514 is about 150.0466594097. The cubic root of 22514 is about 28.2369349877.

The spelling of 22514 in words is "twenty-two thousand, five hundred fourteen".

Divisors: 1 2 11257 22514