Search a number
-
+
13252400 = 245274733
BaseRepresentation
bin110010100011…
…011100110000
3220221021212122
4302203130300
511343034100
61152013412
7220433510
oct62433460
926837778
1013252400
1175317a7
124531268
132990075
141a8d840
15126b985
hexca3730

13252400 has 60 divisors (see below), whose sum is σ = 36394992. Its totient is φ = 4542720.

The previous prime is 13252397. The next prime is 13252409. The reversal of 13252400 is 425231.

It is a super-2 number, since 2×132524002 = 351252211520000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13252409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434 + ... + 5166.

Almost surely, 213252400 is an apocalyptic number.

13252400 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 13252400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18197496).

13252400 is an abundant number, since it is smaller than the sum of its proper divisors (23142592).

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

13252400 is a wasteful number, since it uses less digits than its factorization.

13252400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758 (or 4747 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 13252400 is about 3640.3845950668. The cubic root of 13252400 is about 236.6454608609.

Adding to 13252400 its reverse (425231), we get a palindrome (13677631).

The spelling of 13252400 in words is "thirteen million, two hundred fifty-two thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 280 350 400 560 700 1400 2800 4733 9466 18932 23665 33131 37864 47330 66262 75728 94660 118325 132524 165655 189320 236650 265048 331310 378640 473300 530096 662620 828275 946600 1325240 1656550 1893200 2650480 3313100 6626200 13252400