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255806045 = 5114651019
BaseRepresentation
bin11110011111101…
…00101001011101
3122211100021220222
433033310221131
51010441243140
641214451125
76224213135
oct1717645135
9584307828
10255806045
11121439960
1271803aa5
1340cc6331
1425d8bac5
15176ce5b5
hexf3f4a5d

255806045 has 8 divisors (see below), whose sum is σ = 334873440. Its totient is φ = 186040720.

The previous prime is 255805999. The next prime is 255806059. The reversal of 255806045 is 540608552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255806045 - 26 = 255805981 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255805996 and 255806014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2325455 + ... + 2325564.

It is an arithmetic number, because the mean of its divisors is an integer number (41859180).

Almost surely, 2255806045 is an apocalyptic number.

It is an amenable number.

255806045 is a deficient number, since it is larger than the sum of its proper divisors (79067395).

255806045 is a wasteful number, since it uses less digits than its factorization.

255806045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651035.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 255806045 is about 15993.9377577881. The cubic root of 255806045 is about 634.8000238297.

The spelling of 255806045 in words is "two hundred fifty-five million, eight hundred six thousand, forty-five".

Divisors: 1 5 11 55 4651019 23255095 51161209 255806045