Search a number
-
+
125405302 = 2117877243
BaseRepresentation
bin1110111100110…
…00100001110110
322201222020201211
413132120201312
5224100432202
620235512034
73051633061
oct736304166
9281866654
10125405302
1164873950
1235bb861a
131cc9a329
14129258d8
15b0221d7
hex7798876

125405302 has 16 divisors (see below), whose sum is σ = 205497792. Its totient is φ = 56922120.

The previous prime is 125405297. The next prime is 125405303. The reversal of 125405302 is 203504521.

It is a super-2 number, since 2×1254053022 = 31452979539422408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125405303) 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, 13693 + ... + 20935.

It is an arithmetic number, because the mean of its divisors is an integer number (12843612).

Almost surely, 2125405302 is an apocalyptic number.

125405302 is a deficient number, since it is larger than the sum of its proper divisors (80092490).

125405302 is a wasteful number, since it uses less digits than its factorization.

125405302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8043.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 125405302 is about 11198.4508750095. The cubic root of 125405302 is about 500.5398196464.

Adding to 125405302 its reverse (203504521), we get a palindrome (328909823).

The spelling of 125405302 in words is "one hundred twenty-five million, four hundred five thousand, three hundred two".

Divisors: 1 2 11 22 787 1574 7243 8657 14486 17314 79673 159346 5700241 11400482 62702651 125405302