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108935028 = 22323025973
BaseRepresentation
bin1100111111000…
…11011101110100
321120222110202200
412133203131310
5210341410103
614450504500
72461634556
oct637433564
9246873680
10108935028
1156544554
1230595130
13197516c7
14106794d6
15986c0a3
hex67e3774

108935028 has 18 divisors (see below), whose sum is σ = 275363634. Its totient is φ = 36311664.

The previous prime is 108935017. The next prime is 108935041. The reversal of 108935028 is 820539801.

It can be written as a sum of positive squares in only one way, i.e., 108743184 + 191844 = 10428^2 + 438^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3025973 = 108935028 / (1 + 0 + 8 + 9 + 3 + 5 + 0 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 108934983 and 108935001.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1512951 + ... + 1513022.

Almost surely, 2108935028 is an apocalyptic number.

108935028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

108935028 is an abundant number, since it is smaller than the sum of its proper divisors (166428606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108935028 is a wasteful number, since it uses less digits than its factorization.

108935028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025983 (or 3025978 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 108935028 is about 10437.1944506175. The cubic root of 108935028 is about 477.5906873431.

The spelling of 108935028 in words is "one hundred eight million, nine hundred thirty-five thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 3025973 6051946 9077919 12103892 18155838 27233757 36311676 54467514 108935028