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1155092920 = 23533598597
BaseRepresentation
bin100010011011001…
…0101000110111000
32222111111210121021
41010312111012320
54331200433140
6310341352224
740424061562
oct10466250670
92874453537
101155092920
11543024453
12282a08674
13155400247
14ad5a0332
156b619b4a
hex44d951b8

1155092920 has 32 divisors (see below), whose sum is σ = 2600035200. Its totient is φ = 461845888.

The previous prime is 1155092879. The next prime is 1155092933. The reversal of 1155092920 is 292905511.

It is a super-3 number, since 3×11550929203 (a number of 28 digits) contains 333 as substring.

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, 130062 + ... + 138658.

It is an arithmetic number, because the mean of its divisors is an integer number (81251100).

Almost surely, 21155092920 is an apocalyptic number.

1155092920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155092920 is an abundant number, since it is smaller than the sum of its proper divisors (1444942280).

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

1155092920 is a wasteful number, since it uses less digits than its factorization.

1155092920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11967 (or 11963 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 1155092920 is about 33986.6579704448. The cubic root of 1155092920 is about 1049.2338840843.

The spelling of 1155092920 in words is "one billion, one hundred fifty-five million, ninety-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3359 6718 8597 13436 16795 17194 26872 33590 34388 42985 67180 68776 85970 134360 171940 343880 28877323 57754646 115509292 144386615 231018584 288773230 577546460 1155092920