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230054400 = 2932521997
BaseRepresentation
bin11011011011001…
…01101000000000
3121000212222022100
431231211220000
5432343220100
634454510400
75462300352
oct1555455000
9530788270
10230054400
11108950304
1265065400
133887ac84
14227a70d2
15152e4400
hexdb65a00

230054400 has 180 divisors, whose sum is σ = 823713462. Its totient is φ = 61317120.

The previous prime is 230054381. The next prime is 230054423. The reversal of 230054400 is 4450032.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 100641024 + 129413376 = 10032^2 + 11376^2 .

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 114202 + ... + 116198.

Almost surely, 2230054400 is an apocalyptic number.

230054400 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 230054400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411856731).

230054400 is an abundant number, since it is smaller than the sum of its proper divisors (593659062).

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

230054400 is a wasteful number, since it uses less digits than its factorization.

230054400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2007 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 230054400 is about 15167.5442969520. The cubic root of 230054400 is about 612.7408687522.

The spelling of 230054400 in words is "two hundred thirty million, fifty-four thousand, four hundred".