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22150453 = 135772953
BaseRepresentation
bin101010001111…
…1110100110101
31112200100201011
41110133310311
521132303303
62110432221
7356163403
oct124376465
945610634
1022150453
1111559a66
127502671
1347871a0
142d28473
151e2816d
hex151fd35

22150453 has 8 divisors (see below), whose sum is σ = 23903768. Its totient is φ = 20404224.

The previous prime is 22150423. The next prime is 22150481. The reversal of 22150453 is 35405122.

It can be written as a sum of positive squares in 4 ways, for example, as 9597604 + 12552849 = 3098^2 + 3543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22150453 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 (22150423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6025 + ... + 8977.

It is an arithmetic number, because the mean of its divisors is an integer number (2987971).

Almost surely, 222150453 is an apocalyptic number.

It is an amenable number.

22150453 is a deficient number, since it is larger than the sum of its proper divisors (1753315).

22150453 is a wasteful number, since it uses less digits than its factorization.

22150453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 22150453 is about 4706.4267762284. The cubic root of 22150453 is about 280.8412328216.

Adding to 22150453 its reverse (35405122), we get a palindrome (57555575).

The spelling of 22150453 in words is "twenty-two million, one hundred fifty thousand, four hundred fifty-three".

Divisors: 1 13 577 2953 7501 38389 1703881 22150453