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227225370 = 235192711471
BaseRepresentation
bin11011000101100…
…10111100011010
3120211120020121110
431202302330122
5431132202440
634314121150
75426245431
oct1542627432
9524506543
10227225370
11107298869
12641201b6
13380ca3a8
142226c118
1514e36080
hexd8b2f1a

227225370 has 64 divisors (see below), whose sum is σ = 576552960. Its totient is φ = 57153600.

The previous prime is 227225357. The next prime is 227225371. The reversal of 227225370 is 73522722.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (227225371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153735 + ... + 155205.

It is an arithmetic number, because the mean of its divisors is an integer number (9008640).

Almost surely, 2227225370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227225370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288276480).

227225370 is an abundant number, since it is smaller than the sum of its proper divisors (349327590).

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

227225370 is a wasteful number, since it uses less digits than its factorization.

227225370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 227225370 is about 15073.9964840118. The cubic root of 227225370 is about 610.2188321736.

The spelling of 227225370 in words is "two hundred twenty-seven million, two hundred twenty-five thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 271 285 542 570 813 1355 1471 1626 2710 2942 4065 4413 5149 7355 8130 8826 10298 14710 15447 22065 25745 27949 30894 44130 51490 55898 77235 83847 139745 154470 167694 279490 398641 419235 797282 838470 1195923 1993205 2391846 3986410 5979615 7574179 11959230 15148358 22722537 37870895 45445074 75741790 113612685 227225370