Search a number
-
+
238900 = 22522389
BaseRepresentation
bin111010010100110100
3110010201011
4322110310
530121100
65042004
72013334
oct722464
9403634
10238900
11153542
12b6304
138497c
14630c4
154abba
hex3a534

238900 has 18 divisors (see below), whose sum is σ = 518630. Its totient is φ = 95520.

The previous prime is 238897. The next prime is 238919. The reversal of 238900 is 9832.

238900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2704 + 236196 = 52^2 + 486^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1095 + ... + 1294.

2238900 is an apocalyptic number.

238900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238900 is an abundant number, since it is smaller than the sum of its proper divisors (279730).

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

238900 is a wasteful number, since it uses less digits than its factorization.

238900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 238900 is about 488.7739763940. The cubic root of 238900 is about 62.0495614810.

The spelling of 238900 in words is "two hundred thirty-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2389 4778 9556 11945 23890 47780 59725 119450 238900