Search a number
-
+
5155072 = 28131549
BaseRepresentation
bin10011101010100100000000
3100200220102121
4103222210000
52304430242
6302254024
761550236
oct23524400
910626377
105155072
112a0109a
121887314
1310b6550
14982956
156bc667
hex4ea900

5155072 has 36 divisors (see below), whose sum is σ = 11088700. Its totient is φ = 2377728.

The previous prime is 5155067. The next prime is 5155103. The reversal of 5155072 is 2705515.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1218816 + 3936256 = 1104^2 + 1984^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2554 + ... + 4102.

Almost surely, 25155072 is an apocalyptic number.

5155072 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5155072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5544350).

5155072 is an abundant number, since it is smaller than the sum of its proper divisors (5933628).

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

5155072 is a wasteful number, since it uses less digits than its factorization.

5155072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 5155072 is about 2270.4783636934. The cubic root of 5155072 is about 172.7474234193.

The spelling of 5155072 in words is "five million, one hundred fifty-five thousand, seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 832 1549 1664 3098 3328 6196 12392 20137 24784 40274 49568 80548 99136 161096 198272 322192 396544 644384 1288768 2577536 5155072