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125545430 = 2513791639
BaseRepresentation
bin1110111101110…
…10101111010110
322202020100221202
413132322233112
5224114423210
620242512502
73053055443
oct736725726
9282210852
10125545430
116495a15a
1236065732
132001904a
14129609ca
15b04d9a5
hex77babd6

125545430 has 16 divisors (see below), whose sum is σ = 227633760. Its totient is φ = 49851072.

The previous prime is 125545411. The next prime is 125545439. The reversal of 125545430 is 34545521.

It is a junction number, because it is equal to n+sod(n) for n = 125545393 and 125545402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125545439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44450 + ... + 47189.

It is an arithmetic number, because the mean of its divisors is an integer number (14227110).

Almost surely, 2125545430 is an apocalyptic number.

125545430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125545430 is a deficient number, since it is larger than the sum of its proper divisors (102088330).

125545430 is a wasteful number, since it uses less digits than its factorization.

125545430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91783.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 125545430 is about 11204.7057078711. The cubic root of 125545430 is about 500.7261848007.

Subtracting from 125545430 its reverse (34545521), we obtain a palindrome (90999909).

The spelling of 125545430 in words is "one hundred twenty-five million, five hundred forty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 137 274 685 1370 91639 183278 458195 916390 12554543 25109086 62772715 125545430