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229115072 = 2619188417
BaseRepresentation
bin11011010100000…
…00010011000000
3120222010020210102
431222000103000
5432123140242
634422421532
75451305654
oct1552002300
9528106712
10229115072
111083695aa
12648918a8
133860c564
1422600a64
15151aae32
hexda804c0

229115072 has 28 divisors (see below), whose sum is σ = 478581720. Its totient is φ = 108527616.

The previous prime is 229115041. The next prime is 229115077. The reversal of 229115072 is 270511922.

It is not an unprimeable number, because it can be changed into a prime (229115077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92993 + ... + 95424.

Almost surely, 2229115072 is an apocalyptic number.

It is an amenable number.

229115072 is an abundant number, since it is smaller than the sum of its proper divisors (249466648).

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

229115072 is a wasteful number, since it uses less digits than its factorization.

229115072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188448 (or 188438 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 229115072 is about 15136.5475588061. The cubic root of 229115072 is about 611.9057767141.

Adding to 229115072 its reverse (270511922), we get a palindrome (499626994).

The spelling of 229115072 in words is "two hundred twenty-nine million, one hundred fifteen thousand, seventy-two".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 608 1216 188417 376834 753668 1507336 3014672 3579923 6029344 7159846 12058688 14319692 28639384 57278768 114557536 229115072