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1157310386 = 213933112577
BaseRepresentation
bin100010011111011…
…0010011110110010
32222122200110101122
41010332302132302
54332232413021
6310501102242
740451655521
oct10476623662
92878613348
101157310386
115442a9471
122836b7982
131559c865b
14ad9ba4b8
156b906bab
hex44fb27b2

1157310386 has 16 divisors (see below), whose sum is σ = 1753876320. Its totient is φ = 572711040.

The previous prime is 1157310379. The next prime is 1157310397. The reversal of 1157310386 is 6830137511.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 85730 + ... + 98306.

It is an arithmetic number, because the mean of its divisors is an integer number (109617270).

Almost surely, 21157310386 is an apocalyptic number.

1157310386 is a deficient number, since it is larger than the sum of its proper divisors (596565934).

1157310386 is a wasteful number, since it uses less digits than its factorization.

1157310386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13049.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1157310386 is about 34019.2649244513. The cubic root of 1157310386 is about 1049.9048699907.

Adding to 1157310386 its reverse (6830137511), we get a palindrome (7987447897).

The spelling of 1157310386 in words is "one billion, one hundred fifty-seven million, three hundred ten thousand, three hundred eighty-six".

Divisors: 1 2 139 278 331 662 12577 25154 46009 92018 1748203 3496406 4162987 8325974 578655193 1157310386