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42226841 = 217919379
BaseRepresentation
bin1010000100010…
…1010010011001
32221110100100002
42201011102121
541302224331
64105022345
71021631216
oct241052231
987410302
1042226841
1121921718
12121849b5
1389962c7
145872b0d
153a919cb
hex2845499

42226841 has 4 divisors (see below), whose sum is σ = 42248400. Its totient is φ = 42205284.

The previous prime is 42226829. The next prime is 42226883. The reversal of 42226841 is 14862224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42226841 is a prime.

It is a super-2 number, since 2×422268412 = 3566212201678562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42226141) 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, 7511 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (10562100).

Almost surely, 242226841 is an apocalyptic number.

It is an amenable number.

42226841 is a deficient number, since it is larger than the sum of its proper divisors (21559).

42226841 is a wasteful number, since it uses less digits than its factorization.

42226841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21558.

The product of its digits is 6144, while the sum is 29.

The square root of 42226841 is about 6498.2182942711. The cubic root of 42226841 is about 348.2273391221.

The spelling of 42226841 in words is "forty-two million, two hundred twenty-six thousand, eight hundred forty-one".

Divisors: 1 2179 19379 42226841