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42287826 = 2371006853
BaseRepresentation
bin1010000101010…
…0001011010010
32221120102222210
42201110023102
541311202301
64110212550
71022304060
oct241241322
987512883
1042287826
1121963519
12121b4156
1389b7ca9
14588b030
153aa4ad6
hex28542d2

42287826 has 16 divisors (see below), whose sum is σ = 96657984. Its totient is φ = 12082224.

The previous prime is 42287821. The next prime is 42287879. The reversal of 42287826 is 62878224.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42287821) 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, 503385 + ... + 503468.

It is an arithmetic number, because the mean of its divisors is an integer number (6041124).

Almost surely, 242287826 is an apocalyptic number.

42287826 is an abundant number, since it is smaller than the sum of its proper divisors (54370158).

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

42287826 is a wasteful number, since it uses less digits than its factorization.

42287826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006865.

The product of its digits is 86016, while the sum is 39.

The square root of 42287826 is about 6502.9090413445. The cubic root of 42287826 is about 348.3948978634.

The spelling of 42287826 in words is "forty-two million, two hundred eighty-seven thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 1006853 2013706 3020559 6041118 7047971 14095942 21143913 42287826