Search a number
-
+
1074532820 = 225113475457
BaseRepresentation
bin100000000001100…
…0001000111010100
32202212220220220212
41000003001013110
54200040022240
6254342544552
735425243514
oct10003010724
92685826825
101074532820
11501600459
1225ba38158
13141804c4a
14a29cd844
1564505165
hex400c11d4

1074532820 has 24 divisors (see below), whose sum is σ = 2276492904. Its totient is φ = 426008576.

The previous prime is 1074532813. The next prime is 1074532843. The reversal of 1074532820 is 282354701.

It can be written as a sum of positive squares in 4 ways, for example, as 147573904 + 926958916 = 12148^2 + 30446^2 .

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, 235469 + ... + 239988.

It is an arithmetic number, because the mean of its divisors is an integer number (94853871).

Almost surely, 21074532820 is an apocalyptic number.

1074532820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1074532820 is an abundant number, since it is smaller than the sum of its proper divisors (1201960084).

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

1074532820 is a wasteful number, since it uses less digits than its factorization.

1074532820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475579 (or 475577 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1074532820 is about 32780.0674190887. The cubic root of 1074532820 is about 1024.2513891361.

The spelling of 1074532820 in words is "one billion, seventy-four million, five hundred thirty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 475457 950914 1901828 2377285 4754570 9509140 53726641 107453282 214906564 268633205 537266410 1074532820