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42216802 = 2139181839
BaseRepresentation
bin1010000100001…
…0110101100010
32221102211120021
42201002311202
541301414202
64104504054
71021560025
oct241026542
987384507
1042216802
1121915121
121217b02a
138991874
14586d1bc
153a8da37
hex2842d62

42216802 has 16 divisors (see below), whose sum is σ = 64209600. Its totient is φ = 20815920.

The previous prime is 42216791. The next prime is 42216809. The reversal of 42216802 is 20861224.

It is a happy number.

It is a super-2 number, since 2×422168022 = 3564516742214408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42216809) 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, 49899 + ... + 50737.

It is an arithmetic number, because the mean of its divisors is an integer number (4013100).

Almost surely, 242216802 is an apocalyptic number.

42216802 is a deficient number, since it is larger than the sum of its proper divisors (21992798).

42216802 is a wasteful number, since it uses less digits than its factorization.

42216802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 42216802 is about 6497.4458058533. The cubic root of 42216802 is about 348.1997411043.

The spelling of 42216802 in words is "forty-two million, two hundred sixteen thousand, eight hundred two".

Divisors: 1 2 139 181 278 362 839 1678 25159 50318 116621 151859 233242 303718 21108401 42216802