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229030837 = 7131379659
BaseRepresentation
bin11011010011010…
…11101110110101
3120221221222020121
431221223232311
5432112441322
634420531541
75450505250
oct1551535665
9527858217
10229030837
11108311292
1264850bb1
13385b0109
14225bc097
1515190ec7
hexda6bbb5

229030837 has 16 divisors (see below), whose sum is σ = 264844800. Its totient is φ = 194004720.

The previous prime is 229030831. The next prime is 229030853. The reversal of 229030837 is 738030922.

It is not a de Polignac number, because 229030837 - 23 = 229030829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229030831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347214 + ... + 347872.

It is an arithmetic number, because the mean of its divisors is an integer number (16552800).

Almost surely, 2229030837 is an apocalyptic number.

It is an amenable number.

229030837 is a deficient number, since it is larger than the sum of its proper divisors (35813963).

229030837 is a wasteful number, since it uses less digits than its factorization.

229030837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 229030837 is about 15133.7647992824. The cubic root of 229030837 is about 611.8307777180.

The spelling of 229030837 in words is "two hundred twenty-nine million, thirty thousand, eight hundred thirty-seven".

Divisors: 1 7 131 379 659 917 2653 4613 49649 86329 249761 347543 604303 1748327 32718691 229030837