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2305981002 = 231322274143
BaseRepresentation
bin1000100101110010…
…0111101001001010
312221201002222020210
42021130213221022
514210312343002
61020453101550
7111100341453
oct21134475112
95851088223
102305981002
11a83736726
125443278b6
132a998a600
1417c38812a
15d76a396c
hex89727a4a

2305981002 has 24 divisors (see below), whose sum is σ = 4994020224. Its totient is φ = 709532304.

The previous prime is 2305980979. The next prime is 2305981019. The reversal of 2305981002 is 2001895032.

It is a happy number.

It is a super-4 number, since 4×23059810024 (a number of 39 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1136058 + ... + 1138085.

It is an arithmetic number, because the mean of its divisors is an integer number (208084176).

Almost surely, 22305981002 is an apocalyptic number.

2305981002 is an abundant number, since it is smaller than the sum of its proper divisors (2688039222).

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

2305981002 is a wasteful number, since it uses less digits than its factorization.

2305981002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274174 (or 2274161 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2305981002 is about 48020.6310037675. The cubic root of 2305981002 is about 1321.1493284161.

The spelling of 2305981002 in words is "two billion, three hundred five million, nine hundred eighty-one thousand, two".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 1014 2274143 4548286 6822429 13644858 29563859 59127718 88691577 177383154 384330167 768660334 1152990501 2305981002