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27355230 = 2325726203
BaseRepresentation
bin110100001011…
…0100001011110
31220110210022200
41220112201132
524000331410
62414152330
7451341600
oct150264136
956423280
1027355230
1114494431
1291b26a6
13588a236
1438c1170
1526053c0
hex1a1685e

27355230 has 72 divisors (see below), whose sum is σ = 82748952. Its totient is φ = 6251616.

The previous prime is 27355219. The next prime is 27355243. The reversal of 27355230 is 3255372.

It is a junction number, because it is equal to n+sod(n) for n = 27355194 and 27355203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1309 + ... + 7511.

It is an arithmetic number, because the mean of its divisors is an integer number (1149291).

Almost surely, 227355230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27355230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41374476).

27355230 is an abundant number, since it is smaller than the sum of its proper divisors (55393722).

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

27355230 is a wasteful number, since it uses less digits than its factorization.

27355230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230 (or 6220 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 27355230 is about 5230.2227486026. Note that the first 3 decimals coincide. The cubic root of 27355230 is about 301.3099385449.

The spelling of 27355230 in words is "twenty-seven million, three hundred fifty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 210 245 294 315 441 490 630 735 882 1470 2205 4410 6203 12406 18609 31015 37218 43421 55827 62030 86842 93045 111654 130263 186090 217105 260526 279135 303947 390789 434210 558270 607894 651315 781578 911841 1302630 1519735 1823682 1953945 2735523 3039470 3907890 4559205 5471046 9118410 13677615 27355230