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227214438 = 231131111053
BaseRepresentation
bin11011000101100…
…00010001100110
3120211112200121120
431202300101212
5431131330223
634313554410
75426201523
oct1542602146
9524480546
10227214438
11107290630
1264115a06
13380c5419
142226814a
1514e32be3
hexd8b0466

227214438 has 32 divisors (see below), whose sum is σ = 511736832. Its totient is φ = 66631200.

The previous prime is 227214437. The next prime is 227214439. The reversal of 227214438 is 834412722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (227214437) and next prime (227214439).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 227214399 and 227214408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227214431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53481 + ... + 57572.

It is an arithmetic number, because the mean of its divisors is an integer number (15991776).

Almost surely, 2227214438 is an apocalyptic number.

227214438 is an abundant number, since it is smaller than the sum of its proper divisors (284522394).

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

227214438 is a wasteful number, since it uses less digits than its factorization.

227214438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111100.

The product of its digits is 21504, while the sum is 33.

The square root of 227214438 is about 15073.6338684472. The cubic root of 227214438 is about 610.2090459728.

The spelling of 227214438 in words is "two hundred twenty-seven million, two hundred fourteen thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 186 341 682 1023 2046 111053 222106 333159 666318 1221583 2443166 3442643 3664749 6885286 7329498 10327929 20655858 37869073 75738146 113607219 227214438