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42658357 = 759103289
BaseRepresentation
bin1010001010111…
…0101000110101
32222021021021011
42202232220311
541410031412
64122152221
71025406250
oct242565065
988237234
1042658357
1122096945
1212352671
138ab7841
145946097
153b297a7
hex28aea35

42658357 has 8 divisors (see below), whose sum is σ = 49579200. Its totient is φ = 35944224.

The previous prime is 42658351. The next prime is 42658367. The reversal of 42658357 is 75385624.

42658357 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 a de Polignac number, because none of the positive numbers 2k-42658357 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 (42658351) 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, 51232 + ... + 52057.

It is an arithmetic number, because the mean of its divisors is an integer number (6197400).

Almost surely, 242658357 is an apocalyptic number.

It is an amenable number.

42658357 is a deficient number, since it is larger than the sum of its proper divisors (6920843).

42658357 is a wasteful number, since it uses less digits than its factorization.

42658357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103355.

The product of its digits is 201600, while the sum is 40.

The square root of 42658357 is about 6531.3365400965. The cubic root of 42658357 is about 349.4094995390.

The spelling of 42658357 in words is "forty-two million, six hundred fifty-eight thousand, three hundred fifty-seven".

Divisors: 1 7 59 413 103289 723023 6094051 42658357