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1115371072 = 26312232521
BaseRepresentation
bin100001001111011…
…0011011001000000
32212201202201110201
41002132303121000
54241013333242
6302402134544
736432332464
oct10236633100
92781681421
101115371072
11522663882
12271651454
1314a1031aa
14a81c04a4
1567dc04b7
hex427b3640

1115371072 has 56 divisors (see below), whose sum is σ = 2295867392. Its totient is φ = 537062400.

The previous prime is 1115371067. The next prime is 1115371091. The reversal of 1115371072 is 2701735111.

It is a self number, because there is not a number n which added to its sum of digits gives 1115371072.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441172 + ... + 443692.

It is an arithmetic number, because the mean of its divisors is an integer number (40997632).

Almost surely, 21115371072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115371072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1147933696).

1115371072 is an abundant number, since it is smaller than the sum of its proper divisors (1180496320).

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

1115371072 is a wasteful number, since it uses less digits than its factorization.

1115371072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 28.

The square root of 1115371072 is about 33397.1716167702. The cubic root of 1115371072 is about 1037.0661495067.

The spelling of 1115371072 in words is "one billion, one hundred fifteen million, three hundred seventy-one thousand, seventy-two".

Divisors: 1 2 4 8 16 31 32 62 64 124 223 248 446 496 892 992 1784 1984 2521 3568 5042 6913 7136 10084 13826 14272 20168 27652 40336 55304 78151 80672 110608 156302 161344 221216 312604 442432 562183 625208 1124366 1250416 2248732 2500832 4497464 5001664 8994928 17427673 17989856 34855346 35979712 69710692 139421384 278842768 557685536 1115371072