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230204454 = 23371036957
BaseRepresentation
bin11011011100010…
…10010000100110
3121001011121010220
431232022100212
5432413020304
634502025210
75463464004
oct1556122046
9531147126
10230204454
11108a43017
1265118206
133890136c
1422805a74
1515323ad9
hexdb8a426

230204454 has 16 divisors (see below), whose sum is σ = 472852848. Its totient is φ = 74660832.

The previous prime is 230204453. The next prime is 230204459. The reversal of 230204454 is 454402032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230204453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518257 + ... + 518700.

It is an arithmetic number, because the mean of its divisors is an integer number (29553303).

Almost surely, 2230204454 is an apocalyptic number.

230204454 is an abundant number, since it is smaller than the sum of its proper divisors (242648394).

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

230204454 is a wasteful number, since it uses less digits than its factorization.

230204454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036999.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 230204454 is about 15172.4900395420. The cubic root of 230204454 is about 612.8740607786.

Adding to 230204454 its reverse (454402032), we get a palindrome (684606486).

The spelling of 230204454 in words is "two hundred thirty million, two hundred four thousand, four hundred fifty-four".

Divisors: 1 2 3 6 37 74 111 222 1036957 2073914 3110871 6221742 38367409 76734818 115102227 230204454