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108828701 = 221349177
BaseRepresentation
bin1100111110010…
…01100000011101
321120210001220122
412133021200131
5210330004301
614444324325
72461012562
oct637114035
9246701818
10108828701
1156481683
12305436a5
13197151a7
141064c869
15984a81b
hex67c981d

108828701 has 4 divisors (see below), whose sum is σ = 108880092. Its totient is φ = 108777312.

The previous prime is 108828689. The next prime is 108828739. The reversal of 108828701 is 107828801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 107828801 = 234146061.

It can be written as a sum of positive squares in 2 ways, for example, as 74839801 + 33988900 = 8651^2 + 5830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-108828701 is a prime.

It is a super-2 number, since 2×1088287012 = 23687372322694802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108821701) 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, 22376 + ... + 26801.

It is an arithmetic number, because the mean of its divisors is an integer number (27220023).

Almost surely, 2108828701 is an apocalyptic number.

It is an amenable number.

108828701 is a deficient number, since it is larger than the sum of its proper divisors (51391).

108828701 is an equidigital number, since it uses as much as digits as its factorization.

108828701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51390.

The product of its (nonzero) digits is 7168, while the sum is 35.

The square root of 108828701 is about 10432.0995489882. The cubic root of 108828701 is about 477.4352512188.

The spelling of 108828701 in words is "one hundred eight million, eight hundred twenty-eight thousand, seven hundred one".

Divisors: 1 2213 49177 108828701