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24214257 = 322690473
BaseRepresentation
bin101110001011…
…1101011110001
31200120012201100
41130113223301
522144324012
62222555013
7412550334
oct134275361
950505640
1024214257
1112739591
128138a69
13502a682
14330461b
1521d48dc
hex1717af1

24214257 has 6 divisors (see below), whose sum is σ = 34976162. Its totient is φ = 16142832.

The previous prime is 24214247. The next prime is 24214277. The reversal of 24214257 is 75241242.

It can be written as a sum of positive squares in only one way, i.e., 18974736 + 5239521 = 4356^2 + 2289^2 .

It is not a de Polignac number, because 24214257 - 219 = 23689969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24214257.

It is not an unprimeable number, because it can be changed into a prime (24214237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1345228 + ... + 1345245.

Almost surely, 224214257 is an apocalyptic number.

It is an amenable number.

24214257 is a deficient number, since it is larger than the sum of its proper divisors (10761905).

24214257 is a wasteful number, since it uses less digits than its factorization.

24214257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690479 (or 2690476 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 24214257 is about 4920.7984108273. The cubic root of 24214257 is about 289.3057391847.

Adding to 24214257 its reverse (75241242), we get a palindrome (99455499).

The spelling of 24214257 in words is "twenty-four million, two hundred fourteen thousand, two hundred fifty-seven".

Divisors: 1 3 9 2690473 8071419 24214257