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1115092972 = 22739824749
BaseRepresentation
bin100001001110110…
…1111011111101100
32212201020120222201
41002131233133230
54240430433342
6302352151244
736430063630
oct10235573754
92781216881
101115092972
11522493944
12271538524
1314a036736
14a814adc0
1567d67db7
hex4276f7ec

1115092972 has 12 divisors (see below), whose sum is σ = 2230186000. Its totient is φ = 477896976.

The previous prime is 1115092967. The next prime is 1115092973. The reversal of 1115092972 is 2792905111.

1115092972 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1115092973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19912347 + ... + 19912402.

Almost surely, 21115092972 is an apocalyptic number.

It is an amenable number.

1115092972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115092972 is a wasteful number, since it uses less digits than its factorization.

1115092972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39824760 (or 39824758 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 1115092972 is about 33393.0078309816. The cubic root of 1115092972 is about 1036.9799503703.

It can be divided in two parts, 111509 and 2972, that added together give a triangular number (114481 = T478).

The spelling of 1115092972 in words is "one billion, one hundred fifteen million, ninety-two thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 39824749 79649498 159298996 278773243 557546486 1115092972