Search a number
-
+
125344220 = 22510336067
BaseRepresentation
bin1110111100010…
…01100111011100
322201212010221112
413132021213130
5224042003340
620234321152
73051260021
oct736114734
9281763845
10125344220
1164831a71
1235b891b8
131cc785a1
141290b548
15b00e065
hex77899dc

125344220 has 24 divisors (see below), whose sum is σ = 263521104. Its totient is φ = 50080896.

The previous prime is 125344199. The next prime is 125344237. The reversal of 125344220 is 22443521.

It is a happy number.

It is a super-2 number, since 2×1253442202 = 31422346974816800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17627 + ... + 23693.

It is an arithmetic number, because the mean of its divisors is an integer number (10980046).

Almost surely, 2125344220 is an apocalyptic number.

125344220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125344220 is an abundant number, since it is smaller than the sum of its proper divisors (138176884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125344220 is a wasteful number, since it uses less digits than its factorization.

125344220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109 (or 7107 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 125344220 is about 11195.7232906141. The cubic root of 125344220 is about 500.4585393548.

Adding to 125344220 its reverse (22443521), we get a palindrome (147787741).

The spelling of 125344220 in words is "one hundred twenty-five million, three hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1033 2066 4132 5165 6067 10330 12134 20660 24268 30335 60670 121340 6267211 12534422 25068844 31336055 62672110 125344220