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460231421 = 13291220773
BaseRepresentation
bin11011011011101…
…001001011111101
31012002000011211012
4123123221023331
51420304401141
6113400205005
714255621366
oct3333511375
91162004735
10460231421
11216874751
1210a169765
137446c9b0
14451a2b6d
152a60eceb
hex1b6e92fd

460231421 has 8 divisors (see below), whose sum is σ = 512725080. Its totient is φ = 410179392.

The previous prime is 460231417. The next prime is 460231423. The reversal of 460231421 is 124132064.

It can be written as a sum of positive squares in 4 ways, for example, as 77246521 + 382984900 = 8789^2 + 19570^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 460231421 - 22 = 460231417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (460231423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610010 + ... + 610763.

It is an arithmetic number, because the mean of its divisors is an integer number (64090635).

Almost surely, 2460231421 is an apocalyptic number.

It is an amenable number.

460231421 is a deficient number, since it is larger than the sum of its proper divisors (52493659).

460231421 is a wasteful number, since it uses less digits than its factorization.

460231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220815.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 460231421 is about 21453.0049410333. The cubic root of 460231421 is about 772.0736934896.

Adding to 460231421 its reverse (124132064), we get a palindrome (584363485).

The spelling of 460231421 in words is "four hundred sixty million, two hundred thirty-one thousand, four hundred twenty-one".

Divisors: 1 13 29 377 1220773 15870049 35402417 460231421