Search a number
-
+
125284043 = 196593897
BaseRepresentation
bin1110111011110…
…10111011001011
322201202002101202
413131322323023
5224033042133
620233134415
73050616413
oct735727313
9281662352
10125284043
11647a0835
1235b5a40b
131cc57091
14128d3643
15aeeb2e8
hex777aecb

125284043 has 4 divisors (see below), whose sum is σ = 131877960. Its totient is φ = 118690128.

The previous prime is 125283971. The next prime is 125284087. The reversal of 125284043 is 340482521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125284043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125283997 and 125284015.

It is not an unprimeable number, because it can be changed into a prime (125281043) 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 3 ways as a sum of consecutive naturals, for example, 3296930 + ... + 3296967.

It is an arithmetic number, because the mean of its divisors is an integer number (32969490).

Almost surely, 2125284043 is an apocalyptic number.

125284043 is a deficient number, since it is larger than the sum of its proper divisors (6593917).

125284043 is an equidigital number, since it uses as much as digits as its factorization.

125284043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6593916.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 125284043 is about 11193.0354685402. The cubic root of 125284043 is about 500.3784374979.

The spelling of 125284043 in words is "one hundred twenty-five million, two hundred eighty-four thousand, forty-three".

Divisors: 1 19 6593897 125284043