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1115432630 = 25138580251
BaseRepresentation
bin100001001111100…
…0010011010110110
32212201212211220122
41002133002122312
54241022321010
6302403331542
736433010114
oct10237023266
92781784818
101115432630
115226a6054
12271680bb2
1314a125210
14a81d8ab4
1567dd3855
hex427c26b6

1115432630 has 16 divisors (see below), whose sum is σ = 2162223504. Its totient is φ = 411852000.

The previous prime is 1115432609. The next prime is 1115432653. The reversal of 1115432630 is 362345111.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1115432630.

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, 4289996 + ... + 4290255.

It is an arithmetic number, because the mean of its divisors is an integer number (135138969).

Almost surely, 21115432630 is an apocalyptic number.

1115432630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115432630 is a deficient number, since it is larger than the sum of its proper divisors (1046790874).

1115432630 is a wasteful number, since it uses less digits than its factorization.

1115432630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8580271.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1115432630 is about 33398.0932090441. The cubic root of 1115432630 is about 1037.0852279238.

Adding to 1115432630 its reverse (362345111), we get a palindrome (1477777741).

The spelling of 1115432630 in words is "one billion, one hundred fifteen million, four hundred thirty-two thousand, six hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 8580251 17160502 42901255 85802510 111543263 223086526 557716315 1115432630