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299478245 = 51125721187
BaseRepresentation
bin10001110110011…
…010110011100101
3202212112001220212
4101312122303211
51103131300440
645414505205
710264344263
oct2166326345
9685461825
10299478245
11144058490
1284365205
134a077481
142bab9433
151b459465
hex11d9ace5

299478245 has 16 divisors (see below), whose sum is σ = 393588288. Its totient is φ = 216944640.

The previous prime is 299478203. The next prime is 299478251. The reversal of 299478245 is 542874992.

It is not a de Polignac number, because 299478245 - 28 = 299477989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 299478193 and 299478202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3542 + ... + 24728.

It is an arithmetic number, because the mean of its divisors is an integer number (24599268).

Almost surely, 2299478245 is an apocalyptic number.

It is an amenable number.

299478245 is a deficient number, since it is larger than the sum of its proper divisors (94110043).

299478245 is a wasteful number, since it uses less digits than its factorization.

299478245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21460.

The product of its digits is 1451520, while the sum is 50.

The square root of 299478245 is about 17305.4397517081. The cubic root of 299478245 is about 669.0446360021.

The spelling of 299478245 in words is "two hundred ninety-nine million, four hundred seventy-eight thousand, two hundred forty-five".

Divisors: 1 5 11 55 257 1285 2827 14135 21187 105935 233057 1165285 5445059 27225295 59895649 299478245