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125090784 = 25337133743
BaseRepresentation
bin1110111010010…
…11101111100000
322201101021022000
413131023233200
5224010401114
620225044000
73046153110
oct735135740
9281337260
10125090784
1164679615
1235a86600
131cbba120
1412883040
15aeade09
hex774bbe0

125090784 has 384 divisors, whose sum is σ = 471905280. Its totient is φ = 31352832.

The previous prime is 125090761. The next prime is 125090789. The reversal of 125090784 is 487090521.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125090789) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2909067 + ... + 2909109.

It is an arithmetic number, because the mean of its divisors is an integer number (1228920).

Almost surely, 2125090784 is an apocalyptic number.

125090784 is a gapful number since it is divisible by the number (14) 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 125090784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235952640).

125090784 is an abundant number, since it is smaller than the sum of its proper divisors (346814496).

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

125090784 is a wasteful number, since it uses less digits than its factorization.

125090784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 125090784 is about 11184.3991345087. The cubic root of 125090784 is about 500.1210160412.

The spelling of 125090784 in words is "one hundred twenty-five million, ninety thousand, seven hundred eighty-four".