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201493008 = 2434155473
BaseRepresentation
bin11000000001010…
…00101000010000
3112001010220110000
430000220220100
5403040234013
631554410000
74664443113
oct1400505020
9461126400
10201493008
11a3812752
1257590900
133298aa42
141ca9057a
1512a51973
hexc028a10

201493008 has 50 divisors (see below), whose sum is σ = 583182974. Its totient is φ = 67163904.

The previous prime is 201492997. The next prime is 201493021. The reversal of 201493008 is 800394102.

It can be written as a sum of positive squares in only one way, i.e., 200165904 + 1327104 = 14148^2 + 1152^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76441 + ... + 79032.

Almost surely, 2201493008 is an apocalyptic number.

It is an amenable number.

201493008 is an abundant number, since it is smaller than the sum of its proper divisors (381689966).

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

201493008 is a wasteful number, since it uses less digits than its factorization.

201493008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155493 (or 155478 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 201493008 is about 14194.8232817461. The cubic root of 201493008 is about 586.2551355169.

The spelling of 201493008 in words is "two hundred one million, four hundred ninety-three thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 648 1296 155473 310946 466419 621892 932838 1243784 1399257 1865676 2487568 2798514 3731352 4197771 5597028 7462704 8395542 11194056 12593313 16791084 22388112 25186626 33582168 50373252 67164336 100746504 201493008