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816028107 = 3272009369
BaseRepresentation
bin110000101000111…
…001100111001011
32002212111112010020
4300220321213023
53132400344412
6212550151523
726136060456
oct6050714713
92085445106
10816028107
11389698aa4
121a93525a3
131000a548b
147a53c49d
154b99118c
hex30a399cb

816028107 has 4 divisors (see below), whose sum is σ = 1088037480. Its totient is φ = 544018736.

The previous prime is 816028079. The next prime is 816028111. The reversal of 816028107 is 701820618.

It is a happy number.

816028107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 816028107 - 28 = 816027851 is a prime.

It is a super-3 number, since 3×8160281073 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (816028127) 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, 136004682 + ... + 136004687.

It is an arithmetic number, because the mean of its divisors is an integer number (272009370).

Almost surely, 2816028107 is an apocalyptic number.

816028107 is a deficient number, since it is larger than the sum of its proper divisors (272009373).

816028107 is a wasteful number, since it uses less digits than its factorization.

816028107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272009372.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 816028107 is about 28566.2056808390. The cubic root of 816028107 is about 934.4764747263.

The spelling of 816028107 in words is "eight hundred sixteen million, twenty-eight thousand, one hundred seven".

Divisors: 1 3 272009369 816028107