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430401121 = 1725317713
BaseRepresentation
bin11001101001110…
…110011001100001
31002222212122100021
4121221312121201
51340140313441
6110412553441
713444230523
oct3151663141
91088778307
10430401121
11200a4a807
12100182881
136b227027
1441239a13
1527bbb3d1
hex19a76661

430401121 has 4 divisors (see below), whose sum is σ = 455718852. Its totient is φ = 405083392.

The previous prime is 430401113. The next prime is 430401143. The reversal of 430401121 is 121104034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 266048721 + 164352400 = 16311^2 + 12820^2 .

It is a cyclic number.

It is not a de Polignac number, because 430401121 - 23 = 430401113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 430401095 and 430401104.

It is not an unprimeable number, because it can be changed into a prime (430401161) 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, 12658840 + ... + 12658873.

It is an arithmetic number, because the mean of its divisors is an integer number (113929713).

Almost surely, 2430401121 is an apocalyptic number.

It is an amenable number.

430401121 is a deficient number, since it is larger than the sum of its proper divisors (25317731).

430401121 is a wasteful number, since it uses less digits than its factorization.

430401121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25317730.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 430401121 is about 20746.1109849533. The cubic root of 430401121 is about 755.0188560120.

Adding to 430401121 its reverse (121104034), we get a palindrome (551505155).

The spelling of 430401121 in words is "four hundred thirty million, four hundred one thousand, one hundred twenty-one".

Divisors: 1 17 25317713 430401121