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8347242 = 231391207
BaseRepresentation
bin11111110101111001101010
3120201002021010
4133311321222
54114102432
6454524350
7130643661
oct37657152
916632233
108347242
114791452
1229666b6
1319634c7
141173dd8
15aed3cc
hex7f5e6a

8347242 has 8 divisors (see below), whose sum is σ = 16694496. Its totient is φ = 2782412.

The previous prime is 8347217. The next prime is 8347243. The reversal of 8347242 is 2427438.

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

8347242 is an admirable number.

It is a d-powerful number, because it can be written as 85 + 310 + 44 + 78 + 217 + 49 + 221 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8347243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695598 + ... + 695609.

It is an arithmetic number, because the mean of its divisors is an integer number (2086812).

Almost surely, 28347242 is an apocalyptic number.

8347242 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.

8347242 is a wasteful number, since it uses less digits than its factorization.

8347242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391212.

The product of its digits is 10752, while the sum is 30.

The square root of 8347242 is about 2889.1593933184. The cubic root of 8347242 is about 202.8527975850.

The spelling of 8347242 in words is "eight million, three hundred forty-seven thousand, two hundred forty-two".

Divisors: 1 2 3 6 1391207 2782414 4173621 8347242