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125802040 = 2357131719107
BaseRepresentation
bin1110111111110…
…01011000111000
322202201101221211
413133321120320
5224201131130
620252212504
73055204540
oct737713070
9282641854
10125802040
1165014a31
123616a134
13200a8aa0
14129ca320
15b09ea2a
hex77f9638

125802040 has 256 divisors, whose sum is σ = 391910400. Its totient is φ = 35168256.

The previous prime is 125802013. The next prime is 125802073. The reversal of 125802040 is 40208521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1175667 + ... + 1175773.

It is an arithmetic number, because the mean of its divisors is an integer number (1530900).

Almost surely, 2125802040 is an apocalyptic number.

125802040 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 125802040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195955200).

125802040 is an abundant number, since it is smaller than the sum of its proper divisors (266108360).

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

125802040 is a wasteful number, since it uses less digits than its factorization.

125802040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 125802040 is about 11216.1508549056. The cubic root of 125802040 is about 501.0671076092.

The spelling of 125802040 in words is "one hundred twenty-five million, eight hundred two thousand, forty".