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125053253 = 139619481
BaseRepresentation
bin1110111010000…
…10100101000101
322201022100210222
413131002211011
5224003201003
620224154125
73045635513
oct735024505
9281270728
10125053253
11646533a6
1235a68945
131cba6010
14128734b3
15aea2c38
hex7742945

125053253 has 4 divisors (see below), whose sum is σ = 134672748. Its totient is φ = 115433760.

The previous prime is 125053237. The next prime is 125053259. The reversal of 125053253 is 352350521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19518724 + 105534529 = 4418^2 + 10273^2 .

It is not a de Polignac number, because 125053253 - 24 = 125053237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125053259) 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 3 ways as a sum of consecutive naturals, for example, 4809728 + ... + 4809753.

It is an arithmetic number, because the mean of its divisors is an integer number (33668187).

Almost surely, 2125053253 is an apocalyptic number.

125053253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125053253 is a deficient number, since it is larger than the sum of its proper divisors (9619495).

125053253 is an equidigital number, since it uses as much as digits as its factorization.

125053253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9619494.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 125053253 is about 11182.7211804641. The cubic root of 125053253 is about 500.0709939192.

The spelling of 125053253 in words is "one hundred twenty-five million, fifty-three thousand, two hundred fifty-three".

Divisors: 1 13 9619481 125053253