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248925930 = 235112273323
BaseRepresentation
bin11101101011001…
…00111011101010
3122100101202011220
432311210323222
51002211112210
640411202510
76111556401
oct1665447352
9570352156
10248925930
1111856a810
126b446436
133c757866
14250ba638
1516cc0c70
hexed64eea

248925930 has 64 divisors (see below), whose sum is σ = 654801408. Its totient is φ = 60061760.

The previous prime is 248925923. The next prime is 248925949. The reversal of 248925930 is 39529842.

248925930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73249 + ... + 76571.

It is an arithmetic number, because the mean of its divisors is an integer number (10231272).

Almost surely, 2248925930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248925930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327400704).

248925930 is an abundant number, since it is smaller than the sum of its proper divisors (405875478).

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

248925930 is a wasteful number, since it uses less digits than its factorization.

248925930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 248925930 is about 15777.3866657314. The cubic root of 248925930 is about 629.0570676062.

The spelling of 248925930 in words is "two hundred forty-eight million, nine hundred twenty-five thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 227 330 454 681 1135 1362 2270 2497 3323 3405 4994 6646 6810 7491 9969 12485 14982 16615 19938 24970 33230 36553 37455 49845 73106 74910 99690 109659 182765 219318 365530 548295 754321 1096590 1508642 2262963 3771605 4525926 7543210 8297531 11314815 16595062 22629630 24892593 41487655 49785186 82975310 124462965 248925930