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5286191438 = 2111912646391
BaseRepresentation
bin1001110110001010…
…01110000101001110
3111122101220100102002
410323011032011032
541311231111223
62232313232302
7244665612563
oct47305160516
914571810362
105286191438
112272a0a960
121036402692
13663233438
143820bc86a
1520e138e28
hex13b14e14e

5286191438 has 16 divisors (see below), whose sum is σ = 9105402240. Its totient is φ = 2276350200.

The previous prime is 5286191431. The next prime is 5286191503. The reversal of 5286191438 is 8341916825.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5286191392 and 5286191401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5286191431) 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, 6322778 + ... + 6323613.

It is an arithmetic number, because the mean of its divisors is an integer number (569087640).

Almost surely, 25286191438 is an apocalyptic number.

5286191438 is a deficient number, since it is larger than the sum of its proper divisors (3819210802).

5286191438 is a wasteful number, since it uses less digits than its factorization.

5286191438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12646423.

The product of its digits is 414720, while the sum is 47.

The square root of 5286191438 is about 72706.1994468147. The cubic root of 5286191438 is about 1741.9979074399.

The spelling of 5286191438 in words is "five billion, two hundred eighty-six million, one hundred ninety-one thousand, four hundred thirty-eight".

Divisors: 1 2 11 19 22 38 209 418 12646391 25292782 139110301 240281429 278220602 480562858 2643095719 5286191438