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208853392 = 24115920113
BaseRepresentation
bin11000111001011…
…01100110010000
3112112222211222211
430130231212100
5411431302032
632420241504
75114140006
oct1434554620
9475884884
10208853392
11a798a710
1259b40294
1334366cb7
141da48a76
1513507747
hexc72d990

208853392 has 40 divisors (see below), whose sum is σ = 448944480. Its totient is φ = 93319680.

The previous prime is 208853357. The next prime is 208853413. The reversal of 208853392 is 293358802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328 + ... + 20440.

It is an arithmetic number, because the mean of its divisors is an integer number (11223612).

Almost surely, 2208853392 is an apocalyptic number.

208853392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208853392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224472240).

208853392 is an abundant number, since it is smaller than the sum of its proper divisors (240091088).

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

208853392 is a wasteful number, since it uses less digits than its factorization.

208853392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191 (or 20185 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 208853392 is about 14451.7608615698. The cubic root of 208853392 is about 593.3084190467.

The spelling of 208853392 in words is "two hundred eight million, eight hundred fifty-three thousand, three hundred ninety-two".

Divisors: 1 2 4 8 11 16 22 44 59 88 118 176 236 472 649 944 1298 2596 5192 10384 20113 40226 80452 160904 221243 321808 442486 884972 1186667 1769944 2373334 3539888 4746668 9493336 13053337 18986672 26106674 52213348 104426696 208853392