Search a number
-
+
165341461 = 672467783
BaseRepresentation
bin10011101101011…
…10100100010101
3102112010012211211
421312232210111
5314311411321
624223501421
74045244035
oct1166564425
9375105754
10165341461
118537053a
1247457871
1328340aac
1417d5d8c5
15e7b00e1
hex9dae915

165341461 has 4 divisors (see below), whose sum is σ = 167809312. Its totient is φ = 162873612.

The previous prime is 165341459. The next prime is 165341489. The reversal of 165341461 is 164143561.

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: 164143561 = 409401329.

It is a cyclic number.

It is not a de Polignac number, because 165341461 - 21 = 165341459 is a prime.

It is a super-2 number, since 2×1653414612 = 54675597451229042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165341431) 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, 1233825 + ... + 1233958.

It is an arithmetic number, because the mean of its divisors is an integer number (41952328).

Almost surely, 2165341461 is an apocalyptic number.

It is an amenable number.

165341461 is a deficient number, since it is larger than the sum of its proper divisors (2467851).

165341461 is an equidigital number, since it uses as much as digits as its factorization.

165341461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467850.

The product of its digits is 8640, while the sum is 31.

The square root of 165341461 is about 12858.5170606878. The cubic root of 165341461 is about 548.8587475838.

The spelling of 165341461 in words is "one hundred sixty-five million, three hundred forty-one thousand, four hundred sixty-one".

Divisors: 1 67 2467783 165341461