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1131834830 = 25732314347
BaseRepresentation
bin100001101110110…
…0110110111001110
32220212202011111112
41003131212313032
54304222203310
6304151052022
740022303000
oct10335466716
92825664445
101131834830
11530989295
12277071012
13150648b69
14aa468370
1569573705
hex43766dce

1131834830 has 64 divisors (see below), whose sum is σ = 2479334400. Its totient is φ = 371159712.

The previous prime is 1131834827. The next prime is 1131834839. The reversal of 1131834830 is 384381311.

It is a super-2 number, since 2×11318348302 = 2562100164802257800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131834839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71717 + ... + 86063.

It is an arithmetic number, because the mean of its divisors is an integer number (38739600).

Almost surely, 21131834830 is an apocalyptic number.

1131834830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131834830 is an abundant number, since it is smaller than the sum of its proper divisors (1347499570).

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

1131834830 is a wasteful number, since it uses less digits than its factorization.

1131834830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14398 (or 14384 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1131834830 is about 33642.7530086347. The cubic root of 1131834830 is about 1042.1438855587.

The spelling of 1131834830 in words is "one billion, one hundred thirty-one million, eight hundred thirty-four thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 49 70 98 115 161 230 245 322 343 490 686 805 1127 1610 1715 2254 3430 5635 7889 11270 14347 15778 28694 39445 71735 78890 100429 143470 200858 329981 502145 659962 703003 1004290 1406006 1649905 2309867 3299810 3515015 4619734 4921021 7030030 9842042 11549335 16169069 23098670 24605105 32338138 49210210 80845345 113183483 161690690 226366966 565917415 1131834830