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1168829380 = 22558441469
BaseRepresentation
bin100010110101010…
…1110101111000100
310000110100200111001
41011222232233010
54343210020010
6311552023044
740651612555
oct10552565704
93013320431
101168829380
1154a8568a4
12287531a84
131581cc724
14b133832c
156c92ec3a
hex45aaebc4

1168829380 has 12 divisors (see below), whose sum is σ = 2454541740. Its totient is φ = 467531744.

The previous prime is 1168829377. The next prime is 1168829381. The reversal of 1168829380 is 839288611.

1168829380 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 218093824 + 950735556 = 14768^2 + 30834^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1168829380.

It is not an unprimeable number, because it can be changed into a prime (1168829381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29220715 + ... + 29220754.

It is an arithmetic number, because the mean of its divisors is an integer number (204545145).

Almost surely, 21168829380 is an apocalyptic number.

1168829380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1168829380 is an abundant number, since it is smaller than the sum of its proper divisors (1285712360).

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

1168829380 is a wasteful number, since it uses less digits than its factorization.

1168829380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58441478 (or 58441476 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 1168829380 is about 34188.1467763317. The cubic root of 1168829380 is about 1053.3766968831.

The spelling of 1168829380 in words is "one billion, one hundred sixty-eight million, eight hundred twenty-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 58441469 116882938 233765876 292207345 584414690 1168829380