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8705742 = 232950033
BaseRepresentation
bin100001001101…
…011011001110
3121101022000220
4201031123032
54212040432
6510332210
7133666113
oct41153316
917338026
108705742
114a06831
122aba066
131a5a736
14122890a
15b6e72c
hex84d6ce

8705742 has 16 divisors (see below), whose sum is σ = 18012240. Its totient is φ = 2801792.

The previous prime is 8705729. The next prime is 8705747. The reversal of 8705742 is 2475078.

8705742 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

8705742 is a modest number, since divided by 5742 gives 870 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8705747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24843 + ... + 25190.

It is an arithmetic number, because the mean of its divisors is an integer number (1125765).

Almost surely, 28705742 is an apocalyptic number.

8705742 is an abundant number, since it is smaller than the sum of its proper divisors (9306498).

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

8705742 is a wasteful number, since it uses less digits than its factorization.

8705742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50067.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 8705742 is about 2950.5494403585. The cubic root of 8705742 is about 205.7162492923.

The spelling of 8705742 in words is "eight million, seven hundred five thousand, seven hundred forty-two".

Divisors: 1 2 3 6 29 58 87 174 50033 100066 150099 300198 1450957 2901914 4352871 8705742