Search a number
-
+
125143200 = 253252713191
BaseRepresentation
bin1110111010110…
…00100010100000
322201110221012100
413131120202200
5224014040300
620230130400
73046461660
oct735304240
9281427170
10125143200
1164704a36
1235ab0a00
131cc07c40
14128981a0
15aebe700
hex77588a0

125143200 has 432 divisors, whose sum is σ = 545965056. Its totient is φ = 26265600.

The previous prime is 125143199. The next prime is 125143211. The reversal of 125143200 is 2341521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 655105 + ... + 655295.

It is an arithmetic number, because the mean of its divisors is an integer number (1263808).

Almost surely, 2125143200 is an apocalyptic number.

125143200 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 125143200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272982528).

125143200 is an abundant number, since it is smaller than the sum of its proper divisors (420821856).

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

125143200 is a wasteful number, since it uses less digits than its factorization.

125143200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 125143200 is about 11186.7421531025. The cubic root of 125143200 is about 500.1908604686.

Adding to 125143200 its reverse (2341521), we get a palindrome (127484721).

The spelling of 125143200 in words is "one hundred twenty-five million, one hundred forty-three thousand, two hundred".