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428482461 = 31194713711
BaseRepresentation
bin11001100010100…
…001111110011101
31002212021011102210
4121202201332131
51334142414321
6110303511033
713422020001
oct3142417635
91085234383
10428482461
111aa95a240
12bb5b8479
136aa04924
1440c9a701
152793cb76
hex198a1f9d

428482461 has 16 divisors (see below), whose sum is σ = 623950848. Its totient is φ = 259393200.

The previous prime is 428482451. The next prime is 428482469. The reversal of 428482461 is 164284824.

It is not a de Polignac number, because 428482461 - 211 = 428480413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428482469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24396 + ... + 38106.

It is an arithmetic number, because the mean of its divisors is an integer number (38996928).

Almost surely, 2428482461 is an apocalyptic number.

It is an amenable number.

428482461 is a deficient number, since it is larger than the sum of its proper divisors (195468387).

428482461 is a wasteful number, since it uses less digits than its factorization.

428482461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14672.

The product of its digits is 98304, while the sum is 39.

The square root of 428482461 is about 20699.8178977497. The cubic root of 428482461 is about 753.8952666176.

The spelling of 428482461 in words is "four hundred twenty-eight million, four hundred eighty-two thousand, four hundred sixty-one".

Divisors: 1 3 11 33 947 2841 10417 13711 31251 41133 150821 452463 12984317 38952951 142827487 428482461