Search a number
-
+
601161001 = 785880143
BaseRepresentation
bin100011110101001…
…111110100101001
31112220012010212021
4203311033310221
52212344123001
6135352544441
720616532660
oct4365176451
91486163767
10601161001
11289381181
121493b2121
139771418c
1459ba9dd7
1537b9bba1
hex23d4fd29

601161001 has 4 divisors (see below), whose sum is σ = 687041152. Its totient is φ = 515280852.

The previous prime is 601160999. The next prime is 601161031. The reversal of 601161001 is 100161106.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100161106 = 250080553.

It is a cyclic number.

It is not a de Polignac number, because 601161001 - 21 = 601160999 is a prime.

It is a super-2 number, since 2×6011610012 = 722789098246644002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (601161031) 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 3 ways as a sum of consecutive naturals, for example, 42940065 + ... + 42940078.

It is an arithmetic number, because the mean of its divisors is an integer number (171760288).

Almost surely, 2601161001 is an apocalyptic number.

It is an amenable number.

601161001 is a deficient number, since it is larger than the sum of its proper divisors (85880151).

601161001 is an equidigital number, since it uses as much as digits as its factorization.

601161001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85880150.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 601161001 is about 24518.5848082633. The cubic root of 601161001 is about 843.9763293265.

The spelling of 601161001 in words is "six hundred one million, one hundred sixty-one thousand, one".

Divisors: 1 7 85880143 601161001