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461138401 = 1485131051
BaseRepresentation
bin11011011111000…
…110100111100001
31012010201020222001
4123133012213201
51421022412101
6113431444001
714266416553
oct3337064741
91163636861
10461138401
11217334119
1210a526601
13746c9779
144535b4d3
152a73d901
hex1b7c69e1

461138401 has 4 divisors (see below), whose sum is σ = 461184304. Its totient is φ = 461092500.

The previous prime is 461138399. The next prime is 461138443. The reversal of 461138401 is 104831164.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 461138401 - 21 = 461138399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 461138401.

It is not an unprimeable number, because it can be changed into a prime (461135401) 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, 675 + ... + 30376.

It is an arithmetic number, because the mean of its divisors is an integer number (115296076).

Almost surely, 2461138401 is an apocalyptic number.

It is an amenable number.

461138401 is a deficient number, since it is larger than the sum of its proper divisors (45903).

461138401 is a wasteful number, since it uses less digits than its factorization.

461138401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45902.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 461138401 is about 21474.1333003220. The cubic root of 461138401 is about 772.5805369823.

Adding to 461138401 its reverse (104831164), we get a palindrome (565969565).

The spelling of 461138401 in words is "four hundred sixty-one million, one hundred thirty-eight thousand, four hundred one".

Divisors: 1 14851 31051 461138401