Search a number
-
+
270971161 = 15113071373
BaseRepresentation
bin10000001001101…
…011000100011001
3200212212202112221
4100021223010121
51023332034121
642515504041
76500134246
oct2011530431
9625782487
10270971161
11129a5770a
12768b8021
13441a5b86
1427db85cd
1518bc7b41
hex1026b119

270971161 has 8 divisors (see below), whose sum is σ = 273173184. Its totient is φ = 268774800.

The previous prime is 270971153. The next prime is 270971171. The reversal of 270971161 is 161179072.

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 270971161 - 23 = 270971153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270971171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196671 + ... + 198043.

It is an arithmetic number, because the mean of its divisors is an integer number (34146648).

Almost surely, 2270971161 is an apocalyptic number.

It is an amenable number.

270971161 is a deficient number, since it is larger than the sum of its proper divisors (2202023).

270971161 is a wasteful number, since it uses less digits than its factorization.

270971161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831.

The product of its (nonzero) digits is 5292, while the sum is 34.

The square root of 270971161 is about 16461.2016876047. The cubic root of 270971161 is about 647.1044067698.

The spelling of 270971161 in words is "two hundred seventy million, nine hundred seventy-one thousand, one hundred sixty-one".

Divisors: 1 151 1307 1373 197357 207323 1794511 270971161