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2306826440 = 23557670661
BaseRepresentation
bin1000100101111111…
…0110000011001000
312221202200220222022
42021133312003020
514211021421230
61020523144012
7111110462342
oct21137660310
95852626868
102306826440
11a84163936
12544675008
132a9bc5379
1417c528292
15d77be1e5
hex897f60c8

2306826440 has 16 divisors (see below), whose sum is σ = 5190359580. Its totient is φ = 922730560.

The previous prime is 2306826397. The next prime is 2306826443. The reversal of 2306826440 is 446286032.

It can be written as a sum of positive squares in 2 ways, for example, as 1991479876 + 315346564 = 44626^2 + 17758^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2306826440.

It is not an unprimeable number, because it can be changed into a prime (2306826443) 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, 28835291 + ... + 28835370.

Almost surely, 22306826440 is an apocalyptic number.

2306826440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2306826440 is an abundant number, since it is smaller than the sum of its proper divisors (2883533140).

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

2306826440 is a wasteful number, since it uses less digits than its factorization.

2306826440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57670672 (or 57670668 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 2306826440 is about 48029.4330593231. The cubic root of 2306826440 is about 1321.3107656195.

The spelling of 2306826440 in words is "two billion, three hundred six million, eight hundred twenty-six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 57670661 115341322 230682644 288353305 461365288 576706610 1153413220 2306826440