Search a number
-
+
125433440 = 2551131931
BaseRepresentation
bin1110111100111…
…11011001100000
322202000200022222
413132133121200
5224102332230
620240250212
73052111106
oct736373140
9282020288
10125433440
1164893000
1236010968
131ccaa092
1412931c76
15b02a6e5
hex779f660

125433440 has 192 divisors, whose sum is σ = 354170880. Its totient is φ = 41817600.

The previous prime is 125433437. The next prime is 125433479. The reversal of 125433440 is 44334521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4046225 + ... + 4046255.

It is an arithmetic number, because the mean of its divisors is an integer number (1844640).

Almost surely, 2125433440 is an apocalyptic number.

125433440 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 125433440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177085440).

125433440 is an abundant number, since it is smaller than the sum of its proper divisors (228737440).

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

125433440 is a wasteful number, since it uses less digits than its factorization.

125433440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 125433440 is about 11199.7071390282. The cubic root of 125433440 is about 500.5772533008.

Adding to 125433440 its reverse (44334521), we get a palindrome (169767961).

The spelling of 125433440 in words is "one hundred twenty-five million, four hundred thirty-three thousand, four hundred forty".