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163227372 = 223711241733
BaseRepresentation
bin10011011101010…
…10011011101100
3102101010210212020
421232222123230
5313241233442
624110310140
74021260360
oct1156523354
9371123766
10163227372
1184157160
12467b8350
1327a80759
141796d2a0
15e4e39ec
hex9baa6ec

163227372 has 96 divisors (see below), whose sum is σ = 477464064. Its totient is φ = 42163200.

The previous prime is 163227349. The next prime is 163227377. The reversal of 163227372 is 273722361.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (163227377) 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, 222318 + ... + 223050.

It is an arithmetic number, because the mean of its divisors is an integer number (4973584).

Almost surely, 2163227372 is an apocalyptic number.

163227372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163227372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238732032).

163227372 is an abundant number, since it is smaller than the sum of its proper divisors (314236692).

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

163227372 is a wasteful number, since it uses less digits than its factorization.

163227372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 997 counting only the distinct ones).

The product of its digits is 21168, while the sum is 33.

The square root of 163227372 is about 12776.0468064265. The cubic root of 163227372 is about 546.5094334309.

The spelling of 163227372 in words is "one hundred sixty-three million, two hundred twenty-seven thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 241 308 462 482 723 733 924 964 1446 1466 1687 2199 2651 2892 2932 3374 4398 5061 5131 5302 6748 7953 8063 8796 10122 10262 10604 15393 15906 16126 18557 20244 20524 24189 30786 31812 32252 37114 48378 55671 56441 61572 74228 96756 111342 112882 169323 176653 222684 225764 338646 353306 529959 677292 706612 1059918 1236571 1943183 2119836 2473142 3709713 3886366 4946284 5829549 7419426 7772732 11659098 13602281 14838852 23318196 27204562 40806843 54409124 81613686 163227372