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42211013 = 1310929789
BaseRepresentation
bin1010000100000…
…1011011000101
32221102112121212
42201001123011
541301223023
64104421205
71021534115
oct241013305
987375555
1042211013
1121910839
1212177805
13898c040
14586b045
153a8be78
hex28416c5

42211013 has 8 divisors (see below), whose sum is σ = 45876600. Its totient is φ = 38605248.

The previous prime is 42211007. The next prime is 42211063. The reversal of 42211013 is 31011224.

It can be written as a sum of positive squares in 4 ways, for example, as 4 + 42211009 = 2^2 + 6497^2 .

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 42211013 - 24 = 42210997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42211063) 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, 13478 + ... + 16311.

It is an arithmetic number, because the mean of its divisors is an integer number (5734575).

Almost surely, 242211013 is an apocalyptic number.

It is an amenable number.

42211013 is a deficient number, since it is larger than the sum of its proper divisors (3665587).

42211013 is a wasteful number, since it uses less digits than its factorization.

42211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29911.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 42211013 is about 6497.0003078344. Note that the first 3 decimals coincide. The cubic root of 42211013 is about 348.1838246891.

Adding to 42211013 its reverse (31011224), we get a palindrome (73222237).

The spelling of 42211013 in words is "forty-two million, two hundred eleven thousand, thirteen".

Divisors: 1 13 109 1417 29789 387257 3247001 42211013