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42207258 = 2320293467
BaseRepresentation
bin1010000100000…
…0100000011010
32221102100110210
42201000200122
541301113013
64104351550
71021520142
oct241004032
987370423
1042207258
1121908a35
12121755b6
13898a412
145869922
153a8acc3
hex284081a

42207258 has 16 divisors (see below), whose sum is σ = 84480480. Its totient is φ = 14058096.

The previous prime is 42207247. The next prime is 42207259. The reversal of 42207258 is 85270224.

It is not an unprimeable number, because it can be changed into a prime (42207259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10441 + ... + 13907.

It is an arithmetic number, because the mean of its divisors is an integer number (5280030).

Almost surely, 242207258 is an apocalyptic number.

42207258 is an abundant number, since it is smaller than the sum of its proper divisors (42273222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42207258 is a wasteful number, since it uses less digits than its factorization.

42207258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 42207258 is about 6496.7113218920. The cubic root of 42207258 is about 348.1734998241.

The spelling of 42207258 in words is "forty-two million, two hundred seven thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 2029 3467 4058 6087 6934 10401 12174 20802 7034543 14069086 21103629 42207258