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1115041025 = 52722728069
BaseRepresentation
bin100001001110110…
…0010110100000001
32212201010221201202
41002131202310001
54240422303100
6302351110545
736426456320
oct10235426401
92781127652
101115041025
1152245890a
12271512455
1314a018bb7
14a81360b7
1567d577d5
hex42762d01

1115041025 has 24 divisors (see below), whose sum is σ = 1587190080. Its totient is φ = 761204160.

The previous prime is 1115041009. The next prime is 1115041061. The reversal of 1115041025 is 5201405111.

It is not a de Polignac number, because 1115041025 - 24 = 1115041009 is a prime.

It is a super-3 number, since 3×11150410253 (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1115040988 and 1115041006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25691 + ... + 53759.

It is an arithmetic number, because the mean of its divisors is an integer number (66132920).

Almost surely, 21115041025 is an apocalyptic number.

It is an amenable number.

1115041025 is a deficient number, since it is larger than the sum of its proper divisors (472149055).

1115041025 is a wasteful number, since it uses less digits than its factorization.

1115041025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28313 (or 28308 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1115041025 is about 33392.2300093899. The cubic root of 1115041025 is about 1036.9638474279.

Adding to 1115041025 its reverse (5201405111), we get a palindrome (6316446136).

The spelling of 1115041025 in words is "one billion, one hundred fifteen million, forty-one thousand, twenty-five".

Divisors: 1 5 7 25 35 175 227 1135 1589 5675 7945 28069 39725 140345 196483 701725 982415 4912075 6371663 31858315 44601641 159291575 223008205 1115041025