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248030260 = 22529694177
BaseRepresentation
bin11101100100010…
…10010000110100
3122021201020112221
432302022100310
51001443432020
640340052124
76101136202
oct1662122064
9567636487
10248030260
11118008895
126b094044
133c502c8a
1424d26072
1516b956aa
hexec8a434

248030260 has 24 divisors (see below), whose sum is σ = 521163720. Its totient is φ = 99154944.

The previous prime is 248030249. The next prime is 248030297. The reversal of 248030260 is 62030842.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11916304 + 236113956 = 3452^2 + 15366^2 .

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, 57292 + ... + 61468.

It is an arithmetic number, because the mean of its divisors is an integer number (21715155).

Almost surely, 2248030260 is an apocalyptic number.

248030260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248030260 is an abundant number, since it is smaller than the sum of its proper divisors (273133460).

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

248030260 is a wasteful number, since it uses less digits than its factorization.

248030260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7155 (or 7153 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 248030260 is about 15748.9764746792. The cubic root of 248030260 is about 628.3016827128.

The spelling of 248030260 in words is "two hundred forty-eight million, thirty thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 2969 4177 5938 8354 11876 14845 16708 20885 29690 41770 59380 83540 12401513 24803026 49606052 62007565 124015130 248030260