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205050472 = 23112474507
BaseRepresentation
bin11000011100011…
…01001001101000
3112021211122100221
430032031021220
5404443103342
632202535424
75036620534
oct1416151150
9467748327
10205050472
11a5822500
1258807574
1333635053
141d338bc4
1513005a67
hexc38d268

205050472 has 48 divisors (see below), whose sum is σ = 431686080. Its totient is φ = 91201440.

The previous prime is 205050467. The next prime is 205050509. The reversal of 205050472 is 274050502.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43243 + ... + 47749.

It is an arithmetic number, because the mean of its divisors is an integer number (8993460).

Almost surely, 2205050472 is an apocalyptic number.

205050472 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 205050472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215843040).

205050472 is an abundant number, since it is smaller than the sum of its proper divisors (226635608).

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

205050472 is a wasteful number, since it uses less digits than its factorization.

205050472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582 (or 4567 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 205050472 is about 14319.5835134965. The cubic root of 205050472 is about 589.6852405162.

The spelling of 205050472 in words is "two hundred five million, fifty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 47 88 94 121 188 242 376 484 517 968 1034 2068 4136 4507 5687 9014 11374 18028 22748 36056 45496 49577 99154 198308 211829 396616 423658 545347 847316 1090694 1694632 2181388 2330119 4362776 4660238 9320476 18640952 25631309 51262618 102525236 205050472