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1080457427 = 7154351061
BaseRepresentation
bin100000001100110…
…0111100011010011
32210022001220221202
41000121213203103
54203044114202
6255113541415
735526510440
oct10031474323
92708056852
101080457427
11504987725
12261a1486b
13142aca82a
14a36d29c7
1564cc5802
hex406678d3

1080457427 has 4 divisors (see below), whose sum is σ = 1234808496. Its totient is φ = 926106360.

The previous prime is 1080457381. The next prime is 1080457429. The reversal of 1080457427 is 7247540801.

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 1080457427 - 212 = 1080453331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080457429) 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, 77175524 + ... + 77175537.

It is an arithmetic number, because the mean of its divisors is an integer number (308702124).

Almost surely, 21080457427 is an apocalyptic number.

1080457427 is a deficient number, since it is larger than the sum of its proper divisors (154351069).

1080457427 is an equidigital number, since it uses as much as digits as its factorization.

1080457427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154351068.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 1080457427 is about 32870.3122437253. The cubic root of 1080457427 is about 1026.1303974066.

The spelling of 1080457427 in words is "one billion, eighty million, four hundred fifty-seven thousand, four hundred twenty-seven".

Divisors: 1 7 154351061 1080457427