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430525121 = 1333117317
BaseRepresentation
bin11001101010010…
…100101011000001
31010000002221102212
4121222110223001
51340203300441
6110415351505
713445255165
oct3152245301
91100087385
10430525121
11201024994
12100222595
136b26b5c0
144126cca5
1527be2eeb
hex19a94ac1

430525121 has 4 divisors (see below), whose sum is σ = 463642452. Its totient is φ = 397407792.

The previous prime is 430525099. The next prime is 430525127. The reversal of 430525121 is 121525034.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121525034 = 260762517.

It can be written as a sum of positive squares in 2 ways, for example, as 101284096 + 329241025 = 10064^2 + 18145^2 .

It is a cyclic number.

It is not a de Polignac number, because 430525121 - 26 = 430525057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (430525127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16558646 + ... + 16558671.

It is an arithmetic number, because the mean of its divisors is an integer number (115910613).

Almost surely, 2430525121 is an apocalyptic number.

It is an amenable number.

430525121 is a deficient number, since it is larger than the sum of its proper divisors (33117331).

430525121 is a wasteful number, since it uses less digits than its factorization.

430525121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33117330.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 430525121 is about 20749.0992816556. The cubic root of 430525121 is about 755.0913568676.

The spelling of 430525121 in words is "four hundred thirty million, five hundred twenty-five thousand, one hundred twenty-one".

Divisors: 1 13 33117317 430525121