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42248861 = 235713217
BaseRepresentation
bin1010000100101…
…0101010011101
32221111110112122
42201022222131
541303430421
64105312325
71022052344
oct241125235
987443478
1042248861
1121937216
12121956a5
1389a3335
14587ab5b
153a982ab
hex284aa9d

42248861 has 8 divisors (see below), whose sum is σ = 44176704. Its totient is φ = 40328640.

The previous prime is 42248831. The next prime is 42248863. The reversal of 42248861 is 16884224.

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

It is a cyclic number.

It is not a de Polignac number, because 42248861 - 222 = 38054557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42248863) 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, 11525 + ... + 14741.

It is an arithmetic number, because the mean of its divisors is an integer number (5522088).

Almost surely, 242248861 is an apocalyptic number.

It is an amenable number.

42248861 is a deficient number, since it is larger than the sum of its proper divisors (1927843).

42248861 is a wasteful number, since it uses less digits than its factorization.

42248861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811.

The product of its digits is 24576, while the sum is 35.

The square root of 42248861 is about 6499.9123840249. The cubic root of 42248861 is about 348.2878585559.

The spelling of 42248861 in words is "forty-two million, two hundred forty-eight thousand, eight hundred sixty-one".

Divisors: 1 23 571 3217 13133 73991 1836907 42248861