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229638748 = 22436719927
BaseRepresentation
bin11011011000000…
…00001001011100
3121000002212010211
431230000021130
5432241414443
634441542204
75455616503
oct1554001134
9530085124
10229638748
11108696a99
1264aa4964
1338763a21
14226d983a
151526119d
hexdb0025c

229638748 has 24 divisors (see below), whose sum is σ = 417372032. Its totient is φ = 110469744.

The previous prime is 229638743. The next prime is 229638749. The reversal of 229638748 is 847836922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229638743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561 + ... + 21487.

Almost surely, 2229638748 is an apocalyptic number.

It is an amenable number.

229638748 is a deficient number, since it is larger than the sum of its proper divisors (187733284).

229638748 is a wasteful number, since it uses less digits than its factorization.

229638748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20041 (or 20039 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 229638748 is about 15153.8360819959. The cubic root of 229638748 is about 612.3716220183.

The spelling of 229638748 in words is "two hundred twenty-nine million, six hundred thirty-eight thousand, seven hundred forty-eight".

Divisors: 1 2 4 43 67 86 134 172 268 2881 5762 11524 19927 39854 79708 856861 1335109 1713722 2670218 3427444 5340436 57409687 114819374 229638748