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125345441 = 13359967
BaseRepresentation
bin1110111100010…
…01111010100001
322201212012121202
413132021322201
5224042023231
620234330545
73051263414
oct736117241
9281765552
10125345441
1164832981
1235b89a55
131cc79000
141290bb7b
15b00e5cb
hex7789ea1

125345441 has 16 divisors (see below), whose sum is σ = 138230400. Its totient is φ = 113624784.

The previous prime is 125345417. The next prime is 125345461. The reversal of 125345441 is 144543521.

It is not a de Polignac number, because 125345441 - 222 = 121151137 is a prime.

It is a super-2 number, since 2×1253454412 = 31422959158968962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125345461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129140 + ... + 130106.

It is an arithmetic number, because the mean of its divisors is an integer number (8639400).

Almost surely, 2125345441 is an apocalyptic number.

It is an amenable number.

125345441 is a deficient number, since it is larger than the sum of its proper divisors (12884959).

125345441 is an frugal number, since it uses more digits than its factorization.

125345441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 1039 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 125345441 is about 11195.7778202321. Note that the first 3 decimals coincide. The cubic root of 125345441 is about 500.4601643676.

Adding to 125345441 its reverse (144543521), we get a palindrome (269888962).

The spelling of 125345441 in words is "one hundred twenty-five million, three hundred forty-five thousand, four hundred forty-one".

Divisors: 1 13 59 169 767 967 2197 9971 12571 57053 129623 163423 741689 2124499 9641957 125345441