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1107823140 = 2232552111813
BaseRepresentation
bin100001000001000…
…0000101000100100
32212012120020122200
41002002000220210
54232100320030
6301532254500
736311225034
oct10202005044
92765506580
101107823140
11519378a16
1226b011430
1314868c768
14a71b78c4
15673cdd60
hex42080a24

1107823140 has 72 divisors (see below), whose sum is σ = 3367131768. Its totient is φ = 294827520.

The previous prime is 1107823103. The next prime is 1107823163. The reversal of 1107823140 is 413287011.

It can be written as a sum of positive squares in 4 ways, for example, as 27123264 + 1080699876 = 5208^2 + 32874^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87874 + ... + 99686.

It is an arithmetic number, because the mean of its divisors is an integer number (46765719).

Almost surely, 21107823140 is an apocalyptic number.

1107823140 is a gapful number since it is divisible by the number (10) 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 1107823140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683565884).

1107823140 is an abundant number, since it is smaller than the sum of its proper divisors (2259308628).

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

1107823140 is a wasteful number, since it uses less digits than its factorization.

1107823140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12349 (or 12344 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1107823140 is about 33283.9772262871. The cubic root of 1107823140 is about 1034.7215101740.

The spelling of 1107823140 in words is "one billion, one hundred seven million, eight hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 521 1042 1563 2084 2605 3126 4689 5210 6252 7815 9378 10420 11813 15630 18756 23445 23626 31260 35439 46890 47252 59065 70878 93780 106317 118130 141756 177195 212634 236260 354390 425268 531585 708780 1063170 2126340 6154573 12309146 18463719 24618292 30772865 36927438 55391157 61545730 73854876 92318595 110782314 123091460 184637190 221564628 276955785 369274380 553911570 1107823140