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1157625055 = 5431537181
BaseRepresentation
bin100010011111111…
…1111010011011111
32222200021110001001
41010333333103133
54332323000210
6310511531131
740454436106
oct10477772337
92880243031
101157625055
115444a3924
12283829aa7
13155aa8952
14ada5d03d
156b96a03a
hex44fff4df

1157625055 has 8 divisors (see below), whose sum is σ = 1392375744. Its totient is φ = 923949600.

The previous prime is 1157625043. The next prime is 1157625061. The reversal of 1157625055 is 5505267511.

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

It is not a de Polignac number, because 1157625055 - 27 = 1157624927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266436 + ... + 270745.

It is an arithmetic number, because the mean of its divisors is an integer number (174046968).

Almost surely, 21157625055 is an apocalyptic number.

1157625055 is a deficient number, since it is larger than the sum of its proper divisors (234750689).

1157625055 is an equidigital number, since it uses as much as digits as its factorization.

1157625055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537617.

The product of its (nonzero) digits is 52500, while the sum is 37.

The square root of 1157625055 is about 34023.8894748969. The cubic root of 1157625055 is about 1050.0000166289. Note that the first 4 decimals are identical.

The spelling of 1157625055 in words is "one billion, one hundred fifty-seven million, six hundred twenty-five thousand, fifty-five".

Divisors: 1 5 431 2155 537181 2685905 231525011 1157625055