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354252222 = 232174012887
BaseRepresentation
bin10101000111010…
…111010110111110
3220200120212200200
4111013113112332
51211142032342
655052504330
711531044212
oct2507272676
9820525620
10354252222
11171a69a35
129a77b0a6
13585147cc
1435096942
152117894c
hex151d75be

354252222 has 48 divisors (see below), whose sum is σ = 815005152. Its totient is φ = 110822400.

The previous prime is 354252181. The next prime is 354252247. The reversal of 354252222 is 222252453.

It is a super-3 number, since 3×3542522223 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121263 + ... + 124149.

It is an arithmetic number, because the mean of its divisors is an integer number (16979274).

Almost surely, 2354252222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354252222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407502576).

354252222 is an abundant number, since it is smaller than the sum of its proper divisors (460752930).

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

354252222 is a wasteful number, since it uses less digits than its factorization.

354252222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313 (or 3310 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 354252222 is about 18821.5892527703. The cubic root of 354252222 is about 707.5723621708.

The spelling of 354252222 in words is "three hundred fifty-four million, two hundred fifty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 401 802 1203 2406 2887 3609 5774 6817 7218 8661 13634 17322 20451 25983 40902 49079 51966 61353 98158 122706 147237 294474 441711 883422 1157687 2315374 3473061 6946122 10419183 19680679 20838366 39361358 59042037 118084074 177126111 354252222