Search a number
-
+
109499648 = 28427733
BaseRepresentation
bin1101000011011…
…01010100000000
321122001011021112
412201231110000
5211012442043
614510542452
72466505646
oct641552400
9248034245
10109499648
115689a785
1230807a28
13198bb6bb
1410785196
15992e518
hex686d500

109499648 has 18 divisors (see below), whose sum is σ = 218572074. Its totient is φ = 54749696.

The previous prime is 109499647. The next prime is 109499683. The reversal of 109499648 is 846994901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64770304 + 44729344 = 8048^2 + 6688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 109499596 and 109499605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109499647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213611 + ... + 214122.

It is an arithmetic number, because the mean of its divisors is an integer number (12142893).

Almost surely, 2109499648 is an apocalyptic number.

It is an amenable number.

109499648 is a deficient number, since it is larger than the sum of its proper divisors (109072426).

109499648 is an frugal number, since it uses more digits than its factorization.

109499648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427749 (or 427735 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 109499648 is about 10464.2079490041. The cubic root of 109499648 is about 478.4143976159.

The spelling of 109499648 in words is "one hundred nine million, four hundred ninety-nine thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 427733 855466 1710932 3421864 6843728 13687456 27374912 54749824 109499648