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1117969384 = 237431074339
BaseRepresentation
bin100001010100010…
…1101101111101000
32212220122201200111
41002220231233220
54242200010014
6302533544104
736463403650
oct10250555750
92786581614
101117969384
11524078a44
122724a5034
1314a802a5c
14a8699360
15682352c4
hex42a2dbe8

1117969384 has 64 divisors (see below), whose sum is σ = 2474841600. Its totient is φ = 463506624.

The previous prime is 1117969379. The next prime is 1117969397. The reversal of 1117969384 is 4839697111.

It is a super-2 number, since 2×11179693842 = 2499711087122678912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255487 + ... + 259825.

It is an arithmetic number, because the mean of its divisors is an integer number (38669400).

Almost surely, 21117969384 is an apocalyptic number.

1117969384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117969384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237420800).

1117969384 is an abundant number, since it is smaller than the sum of its proper divisors (1356872216).

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

1117969384 is a wasteful number, since it uses less digits than its factorization.

1117969384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502 (or 4498 counting only the distinct ones).

The product of its digits is 326592, while the sum is 49.

The square root of 1117969384 is about 33436.0491685247. The cubic root of 1117969384 is about 1037.8708239254.

The spelling of 1117969384 in words is "one billion, one hundred seventeen million, nine hundred sixty-nine thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 43 56 86 107 172 214 301 344 428 602 749 856 1204 1498 2408 2996 4339 4601 5992 8678 9202 17356 18404 30373 32207 34712 36808 60746 64414 121492 128828 186577 242984 257656 373154 464273 746308 928546 1306039 1492616 1857092 2612078 3249911 3714184 5224156 6499822 10448312 12999644 19963739 25999288 39927478 79854956 139746173 159709912 279492346 558984692 1117969384