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229711248 = 24331340903
BaseRepresentation
bin11011011000100…
…01110110010000
3121000020112121000
431230101312100
5432301224443
634443302000
75456341044
oct1554216620
9530215530
10229711248
11108736508
1264b1a900
133878aa20
1422718024
15152778d3
hexdb11d90

229711248 has 80 divisors (see below), whose sum is σ = 710093440. Its totient is φ = 70678656.

The previous prime is 229711243. The next prime is 229711267. The reversal of 229711248 is 842117922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (229711241) 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 15 ways as a sum of consecutive naturals, for example, 14836 + ... + 26067.

It is an arithmetic number, because the mean of its divisors is an integer number (8876168).

Almost surely, 2229711248 is an apocalyptic number.

It is an amenable number.

229711248 is an abundant number, since it is smaller than the sum of its proper divisors (480382192).

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

229711248 is a wasteful number, since it uses less digits than its factorization.

229711248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40933 (or 40921 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 229711248 is about 15156.2280267882. The cubic root of 229711248 is about 612.4360598532.

The spelling of 229711248 in words is "two hundred twenty-nine million, seven hundred eleven thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 104 108 117 144 156 208 216 234 312 351 432 468 624 702 936 1404 1872 2808 5616 40903 81806 122709 163612 245418 327224 368127 490836 531739 654448 736254 981672 1063478 1104381 1472508 1595217 1963344 2126956 2208762 2945016 3190434 4253912 4417524 4785651 5890032 6380868 8507824 8835048 9571302 12761736 14356953 17670096 19142604 25523472 28713906 38285208 57427812 76570416 114855624 229711248