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1255034431 = 7577310729
BaseRepresentation
bin100101011001110…
…0100111000111111
310020110120100120201
41022303210320333
510032242100211
6324311424331
743046421340
oct11263447077
93213510521
101255034431
11594485a42
122b03850a7
13170023231
14bc9780c7
15752ac0c1
hex4ace4e3f

1255034431 has 8 divisors (see below), whose sum is σ = 1436815520. Its totient is φ = 1073875968.

The previous prime is 1255034423. The next prime is 1255034441. The reversal of 1255034431 is 1344305521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1255034431 - 23 = 1255034423 is a prime.

It is a super-2 number, since 2×12550344312 = 3150222845990987522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1255034431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255034441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151326 + ... + 159403.

It is an arithmetic number, because the mean of its divisors is an integer number (179601940).

Almost surely, 21255034431 is an apocalyptic number.

1255034431 is a deficient number, since it is larger than the sum of its proper divisors (181781089).

1255034431 is an equidigital number, since it uses as much as digits as its factorization.

1255034431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311313.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1255034431 is about 35426.4651214315. The cubic root of 1255034431 is about 1078.6615882019.

Adding to 1255034431 its reverse (1344305521), we get a palindrome (2599339952).

The spelling of 1255034431 in words is "one billion, two hundred fifty-five million, thirty-four thousand, four hundred thirty-one".

Divisors: 1 7 577 4039 310729 2175103 179290633 1255034431