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5149768 = 23133293
BaseRepresentation
bin10011101001010001001000
3100200122011011
4103221101020
52304243033
6302213304
761525621
oct23512110
910618134
105149768
1129a8108
121884234
1310b4000
14980a48
156baccd
hex4e9448

5149768 has 32 divisors (see below), whose sum is σ = 10495800. Its totient is φ = 2368704.

The previous prime is 5149763. The next prime is 5149783. The reversal of 5149768 is 8679415.

It can be written as a sum of positive squares in 4 ways, for example, as 1077444 + 4072324 = 1038^2 + 2018^2 .

It is a super-2 number, since 2×51497682 = 53040220907648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5149768.

It is not an unprimeable number, because it can be changed into a prime (5149763) 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, 17430 + ... + 17722.

Almost surely, 25149768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5149768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5247900).

5149768 is an abundant number, since it is smaller than the sum of its proper divisors (5346032).

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

5149768 is a wasteful number, since it uses less digits than its factorization.

5149768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 308 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 5149768 is about 2269.3100272990. The cubic root of 5149768 is about 172.6881570789.

The spelling of 5149768 in words is "five million, one hundred forty-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 169 293 338 586 676 1172 1352 2197 2344 3809 4394 7618 8788 15236 17576 30472 49517 99034 198068 396136 643721 1287442 2574884 5149768