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8000742 = 231333457
BaseRepresentation
bin11110100001010011100110
3120001110221210
4132201103212
54022010432
6443252250
7125001531
oct36412346
916043853
108000742
114575092
12281a086
131871889
1410c3a18
15a808cc
hex7a14e6

8000742 has 8 divisors (see below), whose sum is σ = 16001496. Its totient is φ = 2666912.

The previous prime is 8000719. The next prime is 8000747. The reversal of 8000742 is 2470008.

It is a happy number.

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

8000742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8000747) 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, 666723 + ... + 666734.

It is an arithmetic number, because the mean of its divisors is an integer number (2000187).

Almost surely, 28000742 is an apocalyptic number.

8000742 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.

8000742 is a wasteful number, since it uses less digits than its factorization.

8000742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333462.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 8000742 is about 2828.5582900128. The cubic root of 8000742 is about 200.0061831422.

The spelling of 8000742 in words is "eight million, seven hundred forty-two", and thus it is an aban number.

Divisors: 1 2 3 6 1333457 2666914 4000371 8000742