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42786704 = 242674169
BaseRepresentation
bin1010001100110…
…1111110010000
32222111210022202
42203031332100
541423133304
64125022332
71026452402
oct243157620
988453282
1042786704
1122174314
12123b49a8
138b3109c
14597ab72
153b5281e
hex28cdf90

42786704 has 10 divisors (see below), whose sum is σ = 82899270. Its totient is φ = 21393344.

The previous prime is 42786701. The next prime is 42786707. The reversal of 42786704 is 40768724.

42786704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42786701) and next prime (42786707).

It can be written as a sum of positive squares in only one way, i.e., 41576704 + 1210000 = 6448^2 + 1100^2 .

It is not an unprimeable number, because it can be changed into a prime (42786701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1337069 + ... + 1337100.

It is an arithmetic number, because the mean of its divisors is an integer number (8289927).

Almost surely, 242786704 is an apocalyptic number.

It is an amenable number.

42786704 is a deficient number, since it is larger than the sum of its proper divisors (40112566).

42786704 is a wasteful number, since it uses less digits than its factorization.

42786704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674177 (or 2674171 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 42786704 is about 6541.1546381354. The cubic root of 42786704 is about 349.7595736567.

The spelling of 42786704 in words is "forty-two million, seven hundred eighty-six thousand, seven hundred four".

Divisors: 1 2 4 8 16 2674169 5348338 10696676 21393352 42786704