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420937459 = 17211231297
BaseRepresentation
bin11001000101101…
…111111011110011
31002100001211122021
4121011233323303
51330224444314
6105434052311
713300623625
oct3105577363
91070054567
10420937459
111a66765a8
12b8b7a097
1369292627
143dc94c15
1526e4c324
hex1916fef3

420937459 has 12 divisors (see below), whose sum is σ = 447898264. Its totient is φ = 395518464.

The previous prime is 420937403. The next prime is 420937463. The reversal of 420937459 is 954739024.

It is not a de Polignac number, because 420937459 - 27 = 420937331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420937859) 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 11 ways as a sum of consecutive naturals, for example, 323899 + ... + 325195.

Almost surely, 2420937459 is an apocalyptic number.

420937459 is a deficient number, since it is larger than the sum of its proper divisors (26960805).

420937459 is a wasteful number, since it uses less digits than its factorization.

420937459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454 (or 2437 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 420937459 is about 20516.7604411613. The cubic root of 420937459 is about 749.4440080806. Note that the first 3 decimals are identical.

The spelling of 420937459 in words is "four hundred twenty million, nine hundred thirty-seven thousand, four hundred fifty-nine".

Divisors: 1 17 289 1123 1297 19091 22049 324547 374833 1456531 24761027 420937459