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125043941 = 1121033421
BaseRepresentation
bin1110111010000…
…00010011100101
322201021220001002
413131000103211
5224002401231
620224043045
73045566411
oct735002345
9281256032
10125043941
1164647400
1235a63485
131cba19c9
141286dd41
15aea00cb
hex77404e5

125043941 has 6 divisors (see below), whose sum is σ = 137445126. Its totient is φ = 113676200.

The previous prime is 125043917. The next prime is 125043943. The reversal of 125043941 is 149340521.

It can be written as a sum of positive squares in only one way, i.e., 101082916 + 23961025 = 10054^2 + 4895^2 .

It is not a de Polignac number, because 125043941 - 210 = 125042917 is a prime.

It is a super-2 number, since 2×1250439412 = 31271974361622962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125043943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 516590 + ... + 516831.

It is an arithmetic number, because the mean of its divisors is an integer number (22907521).

Almost surely, 2125043941 is an apocalyptic number.

125043941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125043941 is a deficient number, since it is larger than the sum of its proper divisors (12401185).

125043941 is a wasteful number, since it uses less digits than its factorization.

125043941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033443 (or 1033432 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 125043941 is about 11182.3048160923. The cubic root of 125043941 is about 500.0585811362.

The spelling of 125043941 in words is "one hundred twenty-five million, forty-three thousand, nine hundred forty-one".

Divisors: 1 11 121 1033421 11367631 125043941