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140244325 = 5213431521
BaseRepresentation
bin10000101101111…
…11010101100101
3100202220011001021
420112333111211
5241400304300
621525531141
73322025404
oct1026772545
9322804037
10140244325
1172189701
123ab73ab1
1323094610
14148a963b
15c4a3d1a
hex85bf565

140244325 has 12 divisors (see below), whose sum is σ = 187280548. Its totient is φ = 103564800.

The previous prime is 140244323. The next prime is 140244337. The reversal of 140244325 is 523442041.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 62204769 + 78039556 = 7887^2 + 8834^2 .

It is not a de Polignac number, because 140244325 - 21 = 140244323 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 140244325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140244323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215436 + ... + 216085.

Almost surely, 2140244325 is an apocalyptic number.

It is an amenable number.

140244325 is a deficient number, since it is larger than the sum of its proper divisors (47036223).

140244325 is a wasteful number, since it uses less digits than its factorization.

140244325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431544 (or 431539 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 140244325 is about 11842.4796812154. The cubic root of 140244325 is about 519.5512956198.

Adding to 140244325 its reverse (523442041), we get a palindrome (663686366).

The spelling of 140244325 in words is "one hundred forty million, two hundred forty-four thousand, three hundred twenty-five".

Divisors: 1 5 13 25 65 325 431521 2157605 5609773 10788025 28048865 140244325