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125077389 = 361683483
BaseRepresentation
bin1110111010010…
…00011110001101
322201100120220220
413131020132031
5224004434024
620224501553
73046066053
oct735103615
9281316826
10125077389
116466a548
1235a7a8b9
131cbb3cb8
141287c1d3
15aea9e79
hex774878d

125077389 has 8 divisors (see below), whose sum is σ = 169504032. Its totient is φ = 82017840.

The previous prime is 125077369. The next prime is 125077457. The reversal of 125077389 is 983770521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125077389 - 25 = 125077357 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 125077389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125077349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341559 + ... + 341924.

It is an arithmetic number, because the mean of its divisors is an integer number (21188004).

Almost surely, 2125077389 is an apocalyptic number.

It is an amenable number.

125077389 is a deficient number, since it is larger than the sum of its proper divisors (44426643).

125077389 is an equidigital number, since it uses as much as digits as its factorization.

125077389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683547.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 125077389 is about 11183.8002932813. The cubic root of 125077389 is about 500.1031640462.

The spelling of 125077389 in words is "one hundred twenty-five million, seventy-seven thousand, three hundred eighty-nine".

Divisors: 1 3 61 183 683483 2050449 41692463 125077389