Search a number
-
+
1045097020 = 225115778233
BaseRepresentation
bin111110010010101…
…110101000111100
32200211112102121001
4332102232220330
54120021101040
6251412020044
734620115042
oct7622565074
92624472531
101045097020
11496a25950
12252001624
13138699a06
149cb2a392
1561b3d59a
hex3e4aea3c

1045097020 has 48 divisors (see below), whose sum is σ = 2398663008. Its totient is φ = 379330560.

The previous prime is 1045096999. The next prime is 1045097047. The reversal of 1045097020 is 207905401.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1045097020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122824 + ... + 131056.

It is an arithmetic number, because the mean of its divisors is an integer number (49972146).

Almost surely, 21045097020 is an apocalyptic number.

1045097020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045097020 is an abundant number, since it is smaller than the sum of its proper divisors (1353565988).

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

1045097020 is a wasteful number, since it uses less digits than its factorization.

1045097020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8830 (or 8828 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1045097020 is about 32327.9603439499. The cubic root of 1045097020 is about 1014.8118654437.

The spelling of 1045097020 in words is "one billion, forty-five million, ninety-seven thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 577 1154 2308 2885 5770 6347 8233 11540 12694 16466 25388 31735 32932 41165 63470 82330 90563 126940 164660 181126 362252 452815 905630 1811260 4750441 9500882 19001764 23752205 47504410 52254851 95008820 104509702 209019404 261274255 522548510 1045097020