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228802692 = 2232931127167
BaseRepresentation
bin11011010001101…
…00000010000100
3120221112101021210
431220310002010
5432033141232
634412011420
75445535146
oct1550640204
9527471253
10228802692
11108175938
1264760b70
1338530311
142255cc96
15151485cc
hexda34084

228802692 has 96 divisors (see below), whose sum is σ = 578027520. Its totient is φ = 70277760.

The previous prime is 228802681. The next prime is 228802729. The reversal of 228802692 is 296208822.

It is a self number, because there is not a number n which added to its sum of digits gives 228802692.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1369993 + ... + 1370159.

It is an arithmetic number, because the mean of its divisors is an integer number (6021120).

Almost surely, 2228802692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228802692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289013760).

228802692 is an abundant number, since it is smaller than the sum of its proper divisors (349224828).

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

228802692 is a wasteful number, since it uses less digits than its factorization.

228802692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 228802692 is about 15126.2253057397. The cubic root of 228802692 is about 611.6275554372.

The spelling of 228802692 in words is "two hundred twenty-eight million, eight hundred two thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 29 31 58 62 87 93 116 124 127 167 174 186 254 334 348 372 381 501 508 668 762 899 1002 1524 1798 2004 2697 3596 3683 3937 4843 5177 5394 7366 7874 9686 10354 10788 11049 11811 14529 14732 15531 15748 19372 20708 21209 22098 23622 29058 31062 42418 44196 47244 58116 62124 63627 84836 114173 127254 150133 228346 254508 300266 342519 450399 456692 600532 615061 657479 685038 900798 1230122 1314958 1370076 1801596 1845183 1972437 2460244 2629916 3690366 3944874 7380732 7889748 19066891 38133782 57200673 76267564 114401346 228802692