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255745434 = 23719320483
BaseRepresentation
bin11110011111001…
…01110110011010
3122211020012210010
433033211312122
51010432323214
641213302350
76223541340
oct1717456632
9584205703
10255745434
111213a836a
12717949b6
1340ca4879
1425d73990
15176bb659
hexf3e5d9a

255745434 has 32 divisors (see below), whose sum is σ = 615329280. Its totient is φ = 69224112.

The previous prime is 255745423. The next prime is 255745459. The reversal of 255745434 is 434547552.

255745434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255745392 and 255745401.

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, 159444 + ... + 161039.

It is an arithmetic number, because the mean of its divisors is an integer number (19229040).

Almost surely, 2255745434 is an apocalyptic number.

255745434 is an abundant number, since it is smaller than the sum of its proper divisors (359583846).

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

255745434 is a wasteful number, since it uses less digits than its factorization.

255745434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320514.

The product of its digits is 336000, while the sum is 39.

The square root of 255745434 is about 15992.0428338596. The cubic root of 255745434 is about 634.7498831023.

The spelling of 255745434 in words is "two hundred fifty-five million, seven hundred forty-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 320483 640966 961449 1922898 2243381 4486762 6089177 6730143 12178354 13460286 18267531 36535062 42624239 85248478 127872717 255745434