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125025434 = 21997107317
BaseRepresentation
bin1110111001110…
…11110010011010
322201020221122122
413130323302122
5224001303214
620223421242
73045461432
oct734736232
9281227578
10125025434
1164634506
1235a54822
131cb96461
14128672c2
15ae9988e
hex773bc9a

125025434 has 32 divisors (see below), whose sum is σ = 201942720. Its totient is φ = 57881088.

The previous prime is 125025431. The next prime is 125025457. The reversal of 125025434 is 434520521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (125025431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 394244 + ... + 394560.

It is an arithmetic number, because the mean of its divisors is an integer number (6310710).

Almost surely, 2125025434 is an apocalyptic number.

125025434 is a deficient number, since it is larger than the sum of its proper divisors (76917286).

125025434 is a wasteful number, since it uses less digits than its factorization.

125025434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 125025434 is about 11181.4772727042. The cubic root of 125025434 is about 500.0339097002.

Adding to 125025434 its reverse (434520521), we get a palindrome (559545955).

The spelling of 125025434 in words is "one hundred twenty-five million, twenty-five thousand, four hundred thirty-four".

Divisors: 1 2 19 38 97 107 194 214 317 634 1843 2033 3686 4066 6023 10379 12046 20758 30749 33919 61498 67838 197201 394402 584231 644461 1168462 1288922 3290143 6580286 62512717 125025434