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229810520 = 2355745263
BaseRepresentation
bin11011011001010…
…10000101011000
3121000102120202202
431230222011120
5432312414040
634445345332
75460233342
oct1554520530
9530376682
10229810520
111087a4055
1264b68248
13387c3c74
1422742292
1515297015
hexdb2a158

229810520 has 16 divisors (see below), whose sum is σ = 517073760. Its totient is φ = 91924192.

The previous prime is 229810519. The next prime is 229810541. The reversal of 229810520 is 25018922.

It is a congruent number.

It is an unprimeable number.

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, 2872592 + ... + 2872671.

It is an arithmetic number, because the mean of its divisors is an integer number (32317110).

Almost surely, 2229810520 is an apocalyptic number.

229810520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229810520 is an abundant number, since it is smaller than the sum of its proper divisors (287263240).

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

229810520 is a wasteful number, since it uses less digits than its factorization.

229810520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745274 (or 5745270 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 229810520 is about 15159.5026303636. The cubic root of 229810520 is about 612.5242705918.

The spelling of 229810520 in words is "two hundred twenty-nine million, eight hundred ten thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5745263 11490526 22981052 28726315 45962104 57452630 114905260 229810520