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8258442 = 231376407
BaseRepresentation
bin11111100000001110001010
3120112120110020
4133200032022
54103232232
6453001310
7130124043
oct37401612
916476406
108258442
114730765
122923236
131931c6a
14114d8ca
15ad1e2c
hex7e038a

8258442 has 8 divisors (see below), whose sum is σ = 16516896. Its totient is φ = 2752812.

The previous prime is 8258441. The next prime is 8258443. The reversal of 8258442 is 2448528.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8258441) and next prime (8258443).

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

8258442 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8258441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688198 + ... + 688209.

It is an arithmetic number, because the mean of its divisors is an integer number (2064612).

Almost surely, 28258442 is an apocalyptic number.

8258442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8258442 is a wasteful number, since it uses less digits than its factorization.

8258442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376412.

The product of its digits is 20480, while the sum is 33.

The square root of 8258442 is about 2873.7505110917. The cubic root of 8258442 is about 202.1308990476.

The spelling of 8258442 in words is "eight million, two hundred fifty-eight thousand, four hundred forty-two".

Divisors: 1 2 3 6 1376407 2752814 4129221 8258442