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5381990306 = 271134947989
BaseRepresentation
bin1010000001100101…
…01010011110100010
3111220002011102202022
411000302222132202
542010242142211
62250014421442
7250241106560
oct50062523642
914802142668
105381990306
112311aa1a80
121062501882
1367a035964
14390ad8a30
1521775dbdb
hex140caa7a2

5381990306 has 16 divisors (see below), whose sum is σ = 10065021120. Its totient is φ = 2096879280.

The previous prime is 5381990297. The next prime is 5381990309. The reversal of 5381990306 is 6030991835.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5381990309) 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, 17473841 + ... + 17474148.

It is an arithmetic number, because the mean of its divisors is an integer number (629063820).

Almost surely, 25381990306 is an apocalyptic number.

5381990306 is a deficient number, since it is larger than the sum of its proper divisors (4683030814).

5381990306 is a wasteful number, since it uses less digits than its factorization.

5381990306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34948009.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 5381990306 is about 73362.0494942719. The cubic root of 5381990306 is about 1752.4580756392.

The spelling of 5381990306 in words is "five billion, three hundred eighty-one million, nine hundred ninety thousand, three hundred six".

Divisors: 1 2 7 11 14 22 77 154 34947989 69895978 244635923 384427879 489271846 768855758 2690995153 5381990306