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42203086 = 247448969
BaseRepresentation
bin1010000011111…
…1011111001110
32221102010202021
42200333133032
541300444321
64104320354
71021502032
oct240773716
987363667
1042203086
1121905892
12121730ba
138988553
1458681c2
153a89941
hex283f7ce

42203086 has 8 divisors (see below), whose sum is σ = 64651680. Its totient is φ = 20652528.

The previous prime is 42203069. The next prime is 42203087. The reversal of 42203086 is 68030224.

It is a happy number.

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

It is a super-2 number, since 2×422030862 = 3562200935846792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42203086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42203087) 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, 224391 + ... + 224578.

It is an arithmetic number, because the mean of its divisors is an integer number (8081460).

Almost surely, 242203086 is an apocalyptic number.

42203086 is a deficient number, since it is larger than the sum of its proper divisors (22448594).

42203086 is a wasteful number, since it uses less digits than its factorization.

42203086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449018.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 42203086 is about 6496.3902284269. The cubic root of 42203086 is about 348.1620276447.

The spelling of 42203086 in words is "forty-two million, two hundred three thousand, eighty-six".

Divisors: 1 2 47 94 448969 897938 21101543 42203086