Search a number
-
+
135882400 = 2552295857
BaseRepresentation
bin10000001100101…
…10011010100000
3100110200112121111
420012112122200
5234241214100
621252233104
73236660413
oct1006263240
9313615544
10135882400
116a77a505
123960b794
13221c80b4
1414091b7a
15bde16ba
hex81966a0

135882400 has 72 divisors (see below), whose sum is σ = 343220220. Its totient is φ = 52469760.

The previous prime is 135882379. The next prime is 135882437. The reversal of 135882400 is 4288531.

It can be written as a sum of positive squares in 6 ways, for example, as 87385104 + 48497296 = 9348^2 + 6964^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20272 + ... + 26128.

Almost surely, 2135882400 is an apocalyptic number.

135882400 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 135882400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171610110).

135882400 is an abundant number, since it is smaller than the sum of its proper divisors (207337820).

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

135882400 is a wasteful number, since it uses less digits than its factorization.

135882400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5906 (or 5893 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 135882400 is about 11656.8606408415. The cubic root of 135882400 is about 514.1080485658.

The spelling of 135882400 in words is "one hundred thirty-five million, eight hundred eighty-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 5800 5857 11600 11714 23200 23428 29285 46856 58570 93712 117140 146425 169853 187424 234280 292850 339706 468560 585700 679412 849265 937120 1171400 1358824 1698530 2342800 2717648 3397060 4246325 4685600 5435296 6794120 8492650 13588240 16985300 27176480 33970600 67941200 135882400