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2303798749 = 72232044187
BaseRepresentation
bin1000100101010001…
…0010110111011101
312221120000002202121
42021110102313131
514204233024444
61020334222541
7111042652300
oct21124226735
95846002677
102303798749
11a8248610a
12543654a51
132a93a5235
1417bd7ab37
15d73c2084
hex89512ddd

2303798749 has 12 divisors (see below), whose sum is σ = 2796449184. Its totient is φ = 1888827864.

The previous prime is 2303798729. The next prime is 2303798797. The reversal of 2303798749 is 9478973032.

It is a happy number.

2303798749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2303798749 - 217 = 2303667677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2303798696 and 2303798705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303798729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1020967 + ... + 1023220.

It is an arithmetic number, because the mean of its divisors is an integer number (233037432).

Almost surely, 22303798749 is an apocalyptic number.

It is an amenable number.

2303798749 is a deficient number, since it is larger than the sum of its proper divisors (492650435).

2303798749 is a wasteful number, since it uses less digits than its factorization.

2303798749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044224 (or 2044217 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 2303798749 is about 47997.9035896361. The cubic root of 2303798749 is about 1320.7324426418.

The spelling of 2303798749 in words is "two billion, three hundred three million, seven hundred ninety-eight thousand, seven hundred forty-nine".

Divisors: 1 7 23 49 161 1127 2044187 14309309 47016301 100165163 329114107 2303798749