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890138011 = 7196692767
BaseRepresentation
bin110101000011100…
…110110110011011
32022000221200210111
4311003212312123
53310333404021
6224154425151
731026022360
oct6503466633
92260850714
10890138011
11417506954
1220a1321b7
131125528a9
1486310467
155322e8e1
hex350e6d9b

890138011 has 8 divisors (see below), whose sum is σ = 1070842880. Its totient is φ = 722818728.

The previous prime is 890137991. The next prime is 890138027. The reversal of 890138011 is 110831098.

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 890138011 - 25 = 890137979 is a prime.

It is a super-2 number, since 2×8901380112 = 1584691357254072242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890138611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3346251 + ... + 3346516.

It is an arithmetic number, because the mean of its divisors is an integer number (133855360).

Almost surely, 2890138011 is an apocalyptic number.

890138011 is a deficient number, since it is larger than the sum of its proper divisors (180704869).

890138011 is a wasteful number, since it uses less digits than its factorization.

890138011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692793.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 890138011 is about 29835.1807603038. The cubic root of 890138011 is about 961.9498891894.

The spelling of 890138011 in words is "eight hundred ninety million, one hundred thirty-eight thousand, eleven".

Divisors: 1 7 19 133 6692767 46849369 127162573 890138011