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1075272427 = 5320288159
BaseRepresentation
bin100000000010111…
…0101101011101011
32202221022111110201
41000011311223223
54200232204202
6254410453031
735434444015
oct10005655353
92687274421
101075272427
11501a660a9
12260134177
13141a03798
14a2b431b5
15645ee387
hex40175aeb

1075272427 has 4 divisors (see below), whose sum is σ = 1095560640. Its totient is φ = 1054984216.

The previous prime is 1075272413. The next prime is 1075272449. The reversal of 1075272427 is 7242725701.

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

It is a cyclic number.

It is not a de Polignac number, because 1075272427 - 27 = 1075272299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1075272467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10144027 + ... + 10144132.

It is an arithmetic number, because the mean of its divisors is an integer number (273890160).

Almost surely, 21075272427 is an apocalyptic number.

1075272427 is a deficient number, since it is larger than the sum of its proper divisors (20288213).

1075272427 is an equidigital number, since it uses as much as digits as its factorization.

1075272427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20288212.

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 1075272427 is about 32791.3468311382. The cubic root of 1075272427 is about 1024.4863345755.

The spelling of 1075272427 in words is "one billion, seventy-five million, two hundred seventy-two thousand, four hundred twenty-seven".

Divisors: 1 53 20288159 1075272427