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208813792 = 25113716033
BaseRepresentation
bin11000111001000…
…11111011100000
3112112220211200011
430130203323200
5411424020132
632415334304
75113613365
oct1434437340
9475824604
10208813792
11a7962990
1259b21394
1334351c75
141da3846c
15134eab47
hexc723ee0

208813792 has 48 divisors (see below), whose sum is σ = 460624752. Its totient is φ = 92344320.

The previous prime is 208813789. The next prime is 208813837. The reversal of 208813792 is 297318802.

208813792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5008 + ... + 21040.

It is an arithmetic number, because the mean of its divisors is an integer number (9596349).

Almost surely, 2208813792 is an apocalyptic number.

208813792 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 208813792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230312376).

208813792 is an abundant number, since it is smaller than the sum of its proper divisors (251810960).

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

208813792 is a wasteful number, since it uses less digits than its factorization.

208813792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16091 (or 16083 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 208813792 is about 14450.3907213611. The cubic root of 208813792 is about 593.2709182617.

The spelling of 208813792 in words is "two hundred eight million, eight hundred thirteen thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 11 16 22 32 37 44 74 88 148 176 296 352 407 592 814 1184 1628 3256 6512 13024 16033 32066 64132 128264 176363 256528 352726 513056 593221 705452 1186442 1410904 2372884 2821808 4745768 5643616 6525431 9491536 13050862 18983072 26101724 52203448 104406896 208813792