Search a number
-
+
115002400 = 2552294957
BaseRepresentation
bin1101101101011…
…00110000100000
322000101201122011
412312230300200
5213420034100
615224522304
72564334652
oct666546040
9260351564
10115002400
1159a09007
1232620394
131aa97276
14113b86d2
15a169bba
hex6dacc20

115002400 has 72 divisors (see below), whose sum is σ = 290489220. Its totient is φ = 44405760.

The previous prime is 115002397. The next prime is 115002403. The reversal of 115002400 is 4200511.

115002400 is nontrivially palindromic in base 7.

It is an interprime number because it is at equal distance from previous prime (115002397) and next prime (115002403).

It can be written as a sum of positive squares in 6 ways, for example, as 64705936 + 50296464 = 8044^2 + 7092^2 .

It is not an unprimeable number, because it can be changed into a prime (115002403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20722 + ... + 25678.

Almost surely, 2115002400 is an apocalyptic number.

115002400 is a gapful number since it is divisible by the number (10) 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 115002400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145244610).

115002400 is an abundant number, since it is smaller than the sum of its proper divisors (175486820).

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

115002400 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (115002399) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (5006).

115002400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006 (or 4993 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 115002400 is about 10723.9171947568. The cubic root of 115002400 is about 486.2977960036.

Adding to 115002400 its reverse (4200511), we get a palindrome (119202911).

The spelling of 115002400 in words is "one hundred fifteen million, two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 32 40 50 58 80 100 116 145 160 200 232 290 400 464 580 725 800 928 1160 1450 2320 2900 4640 4957 5800 9914 11600 19828 23200 24785 39656 49570 79312 99140 123925 143753 158624 198280 247850 287506 396560 495700 575012 718765 793120 991400 1150024 1437530 1982800 2300048 2875060 3593825 3965600 4600096 5750120 7187650 11500240 14375300 23000480 28750600 57501200 115002400