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1145032115 = 5239956801
BaseRepresentation
bin100010000111111…
…1100110110110011
32221210120122202212
41010033330312303
54321112011430
6305342002335
740242420023
oct10417746663
92853518685
101145032115
11538382637
1227b5763ab
131532b9ac6
14ac101a83
156a7cdb95
hex443fcdb3

1145032115 has 8 divisors (see below), whose sum is σ = 1433779488. Its totient is φ = 876198400.

The previous prime is 1145032111. The next prime is 1145032153. The reversal of 1145032115 is 5112305411.

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

It is not a de Polignac number, because 1145032115 - 22 = 1145032111 is a prime.

It is a super-2 number, since 2×11450321152 = 2622197088762746450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145032111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4978286 + ... + 4978515.

It is an arithmetic number, because the mean of its divisors is an integer number (179222436).

Almost surely, 21145032115 is an apocalyptic number.

1145032115 is a deficient number, since it is larger than the sum of its proper divisors (288747373).

1145032115 is an equidigital number, since it uses as much as digits as its factorization.

1145032115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9956829.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1145032115 is about 33838.3231706301. The cubic root of 1145032115 is about 1046.1787375209.

Adding to 1145032115 its reverse (5112305411), we get a palindrome (6257337526).

The spelling of 1145032115 in words is "one billion, one hundred forty-five million, thirty-two thousand, one hundred fifteen".

Divisors: 1 5 23 115 9956801 49784005 229006423 1145032115