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1252081327 = 7677336571
BaseRepresentation
bin100101010100001…
…0011111010101111
310020021000022200111
41022220103322233
510031013100302
6324124240451
743012341610
oct11250237257
93207008614
101252081327
11592849262
122ab3a0127
1316c52b033
14bc409c07
1574dc70d7
hex4aa13eaf

1252081327 has 16 divisors (see below), whose sum is σ = 1472242432. Its totient is φ = 1042683840.

The previous prime is 1252081321. The next prime is 1252081333. The reversal of 1252081327 is 7231802521.

It is an interprime number because it is at equal distance from previous prime (1252081321) and next prime (1252081333).

It is a cyclic number.

It is not a de Polignac number, because 1252081327 - 219 = 1251557039 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 (1252081321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15952 + ... + 52522.

It is an arithmetic number, because the mean of its divisors is an integer number (92015152).

Almost surely, 21252081327 is an apocalyptic number.

1252081327 is a deficient number, since it is larger than the sum of its proper divisors (220161105).

1252081327 is an equidigital number, since it uses as much as digits as its factorization.

1252081327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36718.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1252081327 is about 35384.7612257028. The cubic root of 1252081327 is about 1077.8148912335.

Adding to 1252081327 its reverse (7231802521), we get a palindrome (8483883848).

The spelling of 1252081327 in words is "one billion, two hundred fifty-two million, eighty-one thousand, three hundred twenty-seven".

Divisors: 1 7 67 73 469 511 4891 34237 36571 255997 2450257 2669683 17151799 18687781 178868761 1252081327