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24790442 = 212395221
BaseRepresentation
bin101111010010…
…0010110101010
31201122111002112
41132210112222
522321243232
62243202322
7420500225
oct136442652
951574075
1024790442
1112aa2476
1283763a2
13519ca01
1434145bc
15229a4b2
hex17a45aa

24790442 has 4 divisors (see below), whose sum is σ = 37185666. Its totient is φ = 12395220.

The previous prime is 24790433. The next prime is 24790453. The reversal of 24790442 is 24409742.

It is a Cunningham number, because it is equal to 49792+1.

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., 24790441 + 1 = 4979^2 + 1^2 .

It is a super-2 number, since 2×247904422 = 1229132029110728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24790399 and 24790408.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6197609 + ... + 6197612.

Almost surely, 224790442 is an apocalyptic number.

24790442 is a deficient number, since it is larger than the sum of its proper divisors (12395224).

24790442 is a wasteful number, since it uses less digits than its factorization.

24790442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12395223.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 24790442 is about 4979.0001004218. Note that the first 3 decimals coincide. The cubic root of 24790442 is about 291.5824785953.

The spelling of 24790442 in words is "twenty-four million, seven hundred ninety thousand, four hundred forty-two".

Divisors: 1 2 12395221 24790442