Search a number
-
+
451050161 = 1313443131
BaseRepresentation
bin11010111000100…
…111101010110001
31011102201201111112
4122320213222301
51410432101121
6112431323105
714114602022
oct3270475261
91142651445
10451050161
11211673731
12107080495
13725a69b3
1443c92c49
15298e975b
hex1ae27ab1

451050161 has 4 divisors (see below), whose sum is σ = 454493424. Its totient is φ = 447606900.

The previous prime is 451050151. The next prime is 451050181. The reversal of 451050161 is 161050154.

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 a de Polignac number, because none of the positive numbers 2k-451050161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (451050151) 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, 1721435 + ... + 1721696.

It is an arithmetic number, because the mean of its divisors is an integer number (113623356).

Almost surely, 2451050161 is an apocalyptic number.

It is an amenable number.

451050161 is a deficient number, since it is larger than the sum of its proper divisors (3443263).

451050161 is a wasteful number, since it uses less digits than its factorization.

451050161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443262.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 451050161 is about 21237.9415433794. The cubic root of 451050161 is about 766.9050791187.

The spelling of 451050161 in words is "four hundred fifty-one million, fifty thousand, one hundred sixty-one".

Divisors: 1 131 3443131 451050161