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24428669 = 67364607
BaseRepresentation
bin101110100110…
…0000001111101
31200222002211112
41131030001331
522223204134
62231331405
7414432416
oct135140175
950862745
1024428669
1112875691
128220b65
1350a4145
14335c80d
1522281ce
hex174c07d

24428669 has 4 divisors (see below), whose sum is σ = 24793344. Its totient is φ = 24063996.

The previous prime is 24428639. The next prime is 24428671. The reversal of 24428669 is 96682442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-24428669 is a prime.

It is a super-2 number, since 2×244286692 = 1193519738223122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24428639) 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, 182237 + ... + 182370.

It is an arithmetic number, because the mean of its divisors is an integer number (6198336).

Almost surely, 224428669 is an apocalyptic number.

It is an amenable number.

24428669 is a deficient number, since it is larger than the sum of its proper divisors (364675).

24428669 is an equidigital number, since it uses as much as digits as its factorization.

24428669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364674.

The product of its digits is 165888, while the sum is 41.

The square root of 24428669 is about 4942.5366968794. The cubic root of 24428669 is about 290.1571443204.

It can be divided in two parts, 2442 and 8669, that added together give a palindrome (11111).

The spelling of 24428669 in words is "twenty-four million, four hundred twenty-eight thousand, six hundred sixty-nine".

Divisors: 1 67 364607 24428669