Search a number
-
+
271242841 = 1923620693
BaseRepresentation
bin10000001010101…
…101011001011001
3200220101120020011
4100022231121121
51023414232331
642525401521
76502345312
oct2012553131
9626346204
10271242841
1112a122841
1276a092a1
134426c72c
1428049609
1518c2d3b1
hex102ad659

271242841 has 8 divisors (see below), whose sum is σ = 297933120. Its totient is φ = 245794032.

The previous prime is 271242833. The next prime is 271242857. The reversal of 271242841 is 148242172.

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

It is not a de Polignac number, because 271242841 - 23 = 271242833 is a prime.

It is a super-5 number, since 5×2712428415 (a number of 43 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271242641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309910 + ... + 310783.

It is an arithmetic number, because the mean of its divisors is an integer number (37241640).

Almost surely, 2271242841 is an apocalyptic number.

It is an amenable number.

271242841 is a deficient number, since it is larger than the sum of its proper divisors (26690279).

271242841 is a wasteful number, since it uses less digits than its factorization.

271242841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620735.

The product of its digits is 7168, while the sum is 31.

The square root of 271242841 is about 16469.4517516522. The cubic root of 271242841 is about 647.3206002597.

The spelling of 271242841 in words is "two hundred seventy-one million, two hundred forty-two thousand, eight hundred forty-one".

Divisors: 1 19 23 437 620693 11793167 14275939 271242841