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452213223 = 371137157337
BaseRepresentation
bin11010111101000…
…011100111100111
31011111220210220220
4122331003213213
51411231310343
6112512255423
714130514620
oct3275034747
91144823826
10452213223
11212298540
12107541573
13728c31b7
14440b6a47
1529a79183
hex1af439e7

452213223 has 64 divisors (see below), whose sum is σ = 779271168. Its totient is φ = 226437120.

The previous prime is 452213221. The next prime is 452213233. The reversal of 452213223 is 322312254.

It is not a de Polignac number, because 452213223 - 21 = 452213221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 452213193 and 452213202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452213221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1341711 + ... + 1342047.

It is an arithmetic number, because the mean of its divisors is an integer number (12176112).

Almost surely, 2452213223 is an apocalyptic number.

452213223 is a deficient number, since it is larger than the sum of its proper divisors (327057945).

452213223 is a wasteful number, since it uses less digits than its factorization.

452213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552.

The product of its digits is 2880, while the sum is 24.

The square root of 452213223 is about 21265.3056173665. The cubic root of 452213223 is about 767.5636847988.

Adding to 452213223 its reverse (322312254), we get a palindrome (774525477).

The spelling of 452213223 in words is "four hundred fifty-two million, two hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 3 7 11 21 33 37 77 111 157 231 259 337 407 471 777 1011 1099 1221 1727 2359 2849 3297 3707 5181 5809 7077 8547 11121 12089 12469 17427 25949 36267 37407 40663 52909 63899 77847 87283 121989 137159 158727 191697 261849 370363 411477 447293 581999 960113 1111089 1341879 1745997 1957633 2880339 4073993 5872899 12221979 13703431 21533963 41110293 64601889 150737741 452213223