Search a number
-
+
270006161 = 1723156707
BaseRepresentation
bin10000000101111…
…111011110010001
3200211001201211012
4100011333132101
51023110144121
642443100305
76456004655
oct2005773621
9624051735
10270006161
11129458697
1276511695
1343c28879
1427c06a65
1518a86c5b
hex1017f791

270006161 has 4 divisors (see below), whose sum is σ = 270164592. Its totient is φ = 269847732.

The previous prime is 270006151. The next prime is 270006173. The reversal of 270006161 is 161600072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 270006161 - 218 = 269744017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270006151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76631 + ... + 80076.

It is an arithmetic number, because the mean of its divisors is an integer number (67541148).

Almost surely, 2270006161 is an apocalyptic number.

It is an amenable number.

270006161 is a deficient number, since it is larger than the sum of its proper divisors (158431).

270006161 is a wasteful number, since it uses less digits than its factorization.

270006161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158430.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 270006161 is about 16431.8641973454. The cubic root of 270006161 is about 646.3353230730.

The spelling of 270006161 in words is "two hundred seventy million, six thousand, one hundred sixty-one".

Divisors: 1 1723 156707 270006161