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42513357 = 316784857
BaseRepresentation
bin1010001000101…
…1001111001101
32221222220100210
42202023033031
541340411412
64115113033
71024233435
oct242131715
987886323
1042513357
1121aa7a07
12122a2779
138a66843
1459092c5
153aeb83c
hex288b3cd

42513357 has 8 divisors (see below), whose sum is σ = 57024576. Its totient is φ = 28172192.

The previous prime is 42513349. The next prime is 42513397. The reversal of 42513357 is 75331524.

42513357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42513357 - 23 = 42513349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42513337) 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 7 ways as a sum of consecutive naturals, for example, 41928 + ... + 42929.

It is an arithmetic number, because the mean of its divisors is an integer number (7128072).

Almost surely, 242513357 is an apocalyptic number.

It is an amenable number.

42513357 is a deficient number, since it is larger than the sum of its proper divisors (14511219).

42513357 is a wasteful number, since it uses less digits than its factorization.

42513357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85027.

The product of its digits is 12600, while the sum is 30.

The square root of 42513357 is about 6520.2267598604. The cubic root of 42513357 is about 349.0131575787.

The spelling of 42513357 in words is "forty-two million, five hundred thirteen thousand, three hundred fifty-seven".

Divisors: 1 3 167 501 84857 254571 14171119 42513357