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208201480 = 2355205037
BaseRepresentation
bin11000110100011…
…10011100001000
3112111202201201221
430122032130020
5411244421410
632354251424
75105453254
oct1432163410
9474681657
10208201480
11a7584943
1259886b74
1334199356
141d919264
15134294da
hexc68e708

208201480 has 16 divisors (see below), whose sum is σ = 468453420. Its totient is φ = 83280576.

The previous prime is 208201459. The next prime is 208201529. The reversal of 208201480 is 84102802.

It can be written as a sum of positive squares in 2 ways, for example, as 206841924 + 1359556 = 14382^2 + 1166^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2602479 + ... + 2602558.

Almost surely, 2208201480 is an apocalyptic number.

208201480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208201480 is an abundant number, since it is smaller than the sum of its proper divisors (260251940).

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

208201480 is a wasteful number, since it uses less digits than its factorization.

208201480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205048 (or 5205044 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 208201480 is about 14429.1884733688. The cubic root of 208201480 is about 592.6904608247.

The spelling of 208201480 in words is "two hundred eight million, two hundred one thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 5205037 10410074 20820148 26025185 41640296 52050370 104100740 208201480