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230204044 = 2278221573
BaseRepresentation
bin11011011100010…
…10001010001100
3121001011120120201
431232022022030
5432413012134
634502023244
75463462550
oct1556121214
9531146521
10230204044
11108a42784
1265117b24
1338901115
1422805860
1515323914
hexdb8a28c

230204044 has 12 divisors (see below), whose sum is σ = 460408144. Its totient is φ = 98658864.

The previous prime is 230204041. The next prime is 230204129. The reversal of 230204044 is 440402032.

230204044 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (230204041) 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 3 ways as a sum of consecutive naturals, for example, 4110759 + ... + 4110814.

Almost surely, 2230204044 is an apocalyptic number.

It is an amenable number.

230204044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

230204044 is a wasteful number, since it uses less digits than its factorization.

230204044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221584 (or 8221582 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 230204044 is about 15172.4765282402. The cubic root of 230204044 is about 612.8736969303.

Adding to 230204044 its reverse (440402032), we get a palindrome (670606076).

The spelling of 230204044 in words is "two hundred thirty million, two hundred four thousand, forty-four".

Divisors: 1 2 4 7 14 28 8221573 16443146 32886292 57551011 115102022 230204044