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227430 = 23257192
BaseRepresentation
bin110111100001100110
3102112222100
4313201212
524234210
64512530
71635030
oct674146
9375870
10227430
11145965
12ab746
137c698
145cc50
15475c0
hex37866

227430 has 72 divisors (see below), whose sum is σ = 713232. Its totient is φ = 49248.

The previous prime is 227419. The next prime is 227431. The reversal of 227430 is 34722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227431) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11961 + ... + 11979.

It is an arithmetic number, because the mean of its divisors is an integer number (9906).

2227430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356616).

227430 is an abundant number, since it is smaller than the sum of its proper divisors (485802).

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

227430 is a wasteful number, since it uses less digits than its factorization.

227430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 227430 is about 476.8962151244. The cubic root of 227430 is about 61.0401956699.

It can be divided in two parts, 2274 and 30, that added together give a square (2304 = 482).

The spelling of 227430 in words is "two hundred twenty-seven thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 19 21 30 35 38 42 45 57 63 70 90 95 105 114 126 133 171 190 210 266 285 315 342 361 399 570 630 665 722 798 855 1083 1197 1330 1710 1805 1995 2166 2394 2527 3249 3610 3990 5054 5415 5985 6498 7581 10830 11970 12635 15162 16245 22743 25270 32490 37905 45486 75810 113715 227430