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417201428 = 22714900051
BaseRepresentation
bin11000110111011…
…111110100010100
31002002001000202202
4120313133310110
51323300421203
6105222024032
713224103460
oct3067376424
91062030682
10417201428
111a4554676
12b7878018
1368584c67
143d5a14a0
1526960388
hex18ddfd14

417201428 has 12 divisors (see below), whose sum is σ = 834402912. Its totient is φ = 178800600.

The previous prime is 417201427. The next prime is 417201431. The reversal of 417201428 is 824102714.

417201428 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 417201428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (417201427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7449998 + ... + 7450053.

It is an arithmetic number, because the mean of its divisors is an integer number (69533576).

Almost surely, 2417201428 is an apocalyptic number.

It is an amenable number.

417201428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

417201428 is a wasteful number, since it uses less digits than its factorization.

417201428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14900062 (or 14900060 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 417201428 is about 20425.5092470176. The cubic root of 417201428 is about 747.2201854223.

The spelling of 417201428 in words is "four hundred seventeen million, two hundred one thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 14900051 29800102 59600204 104300357 208600714 417201428