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2305457742 = 23727841693
BaseRepresentation
bin1000100101101010…
…0111111001001110
312221200010101110210
42021122213321032
514210144121432
61020433543250
7111063032100
oct21132477116
95850111423
102305457742
11a83409585
12544114b26
132a98363a3
1417c28d570
15d75ed8cc
hex896a7e4e

2305457742 has 24 divisors (see below), whose sum is σ = 5363718696. Its totient is φ = 658702128.

The previous prime is 2305457731. The next prime is 2305457767. The reversal of 2305457742 is 2477545032.

It is a self number, because there is not a number n which added to its sum of digits gives 2305457742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3920553 + ... + 3921140.

It is an arithmetic number, because the mean of its divisors is an integer number (223488279).

Almost surely, 22305457742 is an apocalyptic number.

2305457742 is an abundant number, since it is smaller than the sum of its proper divisors (3058260954).

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

2305457742 is a wasteful number, since it uses less digits than its factorization.

2305457742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7841712 (or 7841705 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 39.

The square root of 2305457742 is about 48015.1824113998. The cubic root of 2305457742 is about 1321.0493916441.

The spelling of 2305457742 in words is "two billion, three hundred five million, four hundred fifty-seven thousand, seven hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 7841693 15683386 23525079 47050158 54891851 109783702 164675553 329351106 384242957 768485914 1152728871 2305457742