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255413371 = 1931433639
BaseRepresentation
bin11110011100101…
…00110001111011
3122210121100021111
433032110301323
51010341211441
641202221151
76220656253
oct1716246173
9583540244
10255413371
111211a0934
12716547b7
1340bb9695
1425cc8963
1517653081
hexf394c7b

255413371 has 8 divisors (see below), whose sum is σ = 277529600. Its totient is φ = 234164520.

The previous prime is 255413359. The next prime is 255413377. The reversal of 255413371 is 173314552.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 255413371 - 215 = 255380603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255413377) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 216231 + ... + 217408.

It is an arithmetic number, because the mean of its divisors is an integer number (34691200).

Almost surely, 2255413371 is an apocalyptic number.

255413371 is a deficient number, since it is larger than the sum of its proper divisors (22116229).

255413371 is a wasteful number, since it uses less digits than its factorization.

255413371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433689.

The product of its digits is 12600, while the sum is 31.

The square root of 255413371 is about 15981.6573295763. The cubic root of 255413371 is about 634.4750417778.

The spelling of 255413371 in words is "two hundred fifty-five million, four hundred thirteen thousand, three hundred seventy-one".

Divisors: 1 19 31 589 433639 8239141 13442809 255413371