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24132989 = 33717159
BaseRepresentation
bin101110000001…
…1110101111101
31200102002020102
41130003311331
522134223424
62221130445
7412061366
oct134036575
950362212
1024132989
1112693521
1280b9a25
134ccc69a
1432c2b6d
1521ba7ae
hex1703d7d

24132989 has 4 divisors (see below), whose sum is σ = 24143520. Its totient is φ = 24122460.

The previous prime is 24132943. The next prime is 24133007. The reversal of 24132989 is 98923142.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98923142 = 249461571.

It is a cyclic number.

It is not a de Polignac number, because 24132989 - 28 = 24132733 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 (24132919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209 + ... + 6950.

It is an arithmetic number, because the mean of its divisors is an integer number (6035880).

Almost surely, 224132989 is an apocalyptic number.

It is an amenable number.

24132989 is a deficient number, since it is larger than the sum of its proper divisors (10531).

24132989 is an equidigital number, since it uses as much as digits as its factorization.

24132989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10530.

The product of its digits is 31104, while the sum is 38.

The square root of 24132989 is about 4912.5338675677. The cubic root of 24132989 is about 288.9817200077.

The spelling of 24132989 in words is "twenty-four million, one hundred thirty-two thousand, nine hundred eighty-nine".

Divisors: 1 3371 7159 24132989