Search a number
-
+
202257328 = 24713532621
BaseRepresentation
bin11000000111000…
…11001110110000
3112002120201220011
430003203032300
5403234213303
632023024304
75004105340
oct1403431660
9462521804
10202257328
11a4194a19
125789b094
1332b978c0
141cc0cd20
1512b5316d
hexc0e33b0

202257328 has 80 divisors (see below), whose sum is σ = 491593536. Its totient is φ = 78474240.

The previous prime is 202257323. The next prime is 202257329. The reversal of 202257328 is 823752202.

202257328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 202257328.

It is not an unprimeable number, because it can be changed into a prime (202257323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75858 + ... + 78478.

Almost surely, 2202257328 is an apocalyptic number.

202257328 is a gapful number since it is divisible by the number (28) 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 202257328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245796768).

202257328 is an abundant number, since it is smaller than the sum of its proper divisors (289336208).

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

202257328 is a wasteful number, since it uses less digits than its factorization.

202257328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702 (or 2696 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 202257328 is about 14221.7202897540. The cubic root of 202257328 is about 586.9954774070.

The spelling of 202257328 in words is "two hundred two million, two hundred fifty-seven thousand, three hundred twenty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 53 56 91 104 106 112 182 208 212 364 371 424 689 728 742 848 1378 1456 1484 2621 2756 2968 4823 5242 5512 5936 9646 10484 11024 18347 19292 20968 34073 36694 38584 41936 68146 73388 77168 136292 138913 146776 238511 272584 277826 293552 477022 545168 555652 954044 972391 1111304 1805869 1908088 1944782 2222608 3611738 3816176 3889564 7223476 7779128 12641083 14446952 15558256 25282166 28893904 50564332 101128664 202257328