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230550040 = 23574717519
BaseRepresentation
bin11011011110111…
…10101000011000
3121001211011012101
431233132220120
5433010100130
634513253144
75466433360
oct1557365030
9531734171
10230550040
11109159726
12652641b4
13389c2756
14228959a0
15153911ca
hexdbdea18

230550040 has 64 divisors (see below), whose sum is σ = 605491200. Its totient is φ = 77359488.

The previous prime is 230549989. The next prime is 230550059. The reversal of 230550040 is 40055032.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4401 + ... + 21919.

It is an arithmetic number, because the mean of its divisors is an integer number (9460800).

Almost surely, 2230550040 is an apocalyptic number.

230550040 is a gapful number since it is divisible by the number (20) 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 230550040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302745600).

230550040 is an abundant number, since it is smaller than the sum of its proper divisors (374941160).

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

230550040 is a wasteful number, since it uses less digits than its factorization.

230550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17584 (or 17580 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 230550040 is about 15183.8743408921. The cubic root of 230550040 is about 613.1805923477.

The spelling of 230550040 in words is "two hundred thirty million, five hundred fifty thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 47 56 70 94 140 188 235 280 329 376 470 658 940 1316 1645 1880 2632 3290 6580 13160 17519 35038 70076 87595 122633 140152 175190 245266 350380 490532 613165 700760 823393 981064 1226330 1646786 2452660 3293572 4116965 4905320 5763751 6587144 8233930 11527502 16467860 23055004 28818755 32935720 46110008 57637510 115275020 230550040