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460630421 = 1171739313
BaseRepresentation
bin11011011101001…
…010100110010101
31012002202110010222
4123131022212111
51420410133141
6113412524125
714262202556
oct3335124625
91162673128
10460630421
112170174a9
1210a320645
137457c4a4
144526832d
152a68d14b
hex1b74a995

460630421 has 4 divisors (see below), whose sum is σ = 460681452. Its totient is φ = 460579392.

The previous prime is 460630369. The next prime is 460630493. The reversal of 460630421 is 124036064.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 103836100 + 356794321 = 10190^2 + 18889^2 .

It is a cyclic number.

It is not a de Polignac number, because 460630421 - 210 = 460629397 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 (460630021) 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, 7940 + ... + 31373.

It is an arithmetic number, because the mean of its divisors is an integer number (115170363).

Almost surely, 2460630421 is an apocalyptic number.

It is an amenable number.

460630421 is a deficient number, since it is larger than the sum of its proper divisors (51031).

460630421 is a wasteful number, since it uses less digits than its factorization.

460630421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51030.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 460630421 is about 21462.3023229103. The cubic root of 460630421 is about 772.2967467975.

Adding to 460630421 its reverse (124036064), we get a palindrome (584666485).

The spelling of 460630421 in words is "four hundred sixty million, six hundred thirty thousand, four hundred twenty-one".

Divisors: 1 11717 39313 460630421