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227145366 = 23271999059
BaseRepresentation
bin11011000100111…
…11011010010110
3120211102011212100
431202133122112
5431122122431
634312302530
75425463250
oct1542373226
9524364770
10227145366
11107243748
12640a1a46
133809cb56
142224acd0
1514e1c4e6
hexd89f696

227145366 has 48 divisors (see below), whose sum is σ = 565344000. Its totient is φ = 64565424.

The previous prime is 227145349. The next prime is 227145377. The reversal of 227145366 is 663541722.

It is a self number, because there is not a number n which added to its sum of digits gives 227145366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20545 + ... + 29603.

It is an arithmetic number, because the mean of its divisors is an integer number (11778000).

Almost surely, 2227145366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227145366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282672000).

227145366 is an abundant number, since it is smaller than the sum of its proper divisors (338198634).

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

227145366 is a wasteful number, since it uses less digits than its factorization.

227145366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9273 (or 9270 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 227145366 is about 15071.3425413929. The cubic root of 227145366 is about 610.1472062540.

The spelling of 227145366 in words is "two hundred twenty-seven million, one hundred forty-five thousand, three hundred sixty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 199 398 597 1194 1393 1791 2786 3582 4179 8358 9059 12537 18118 25074 27177 54354 63413 81531 126826 163062 190239 380478 570717 1141434 1802741 3605482 5408223 10816446 12619187 16224669 25238374 32449338 37857561 75715122 113572683 227145366