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166228341 = 3283719531
BaseRepresentation
bin10011110100001…
…11000101110101
3102120210021102020
421322013011311
5320023301331
624254503353
74055626506
oct1172070565
9376707366
10166228341
11859168a4
1247804b59
1328591686
1418110bad
15e8d7c96
hex9e87175

166228341 has 8 divisors (see below), whose sum is σ = 221727264. Its totient is φ = 110774160.

The previous prime is 166228327. The next prime is 166228393. The reversal of 166228341 is 143822661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 166228341 - 27 = 166228213 is a prime.

It is a super-2 number, since 2×1662283412 = 55263722703224562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166228441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255 + ... + 18276.

It is an arithmetic number, because the mean of its divisors is an integer number (27715908).

Almost surely, 2166228341 is an apocalyptic number.

It is an amenable number.

166228341 is a deficient number, since it is larger than the sum of its proper divisors (55498923).

166228341 is a wasteful number, since it uses less digits than its factorization.

166228341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22371.

The product of its digits is 13824, while the sum is 33.

The square root of 166228341 is about 12892.9570308754. The cubic root of 166228341 is about 549.8383447777.

It can be divided in two parts, 1662 and 28341, that added together give a palindrome (30003).

The spelling of 166228341 in words is "one hundred sixty-six million, two hundred twenty-eight thousand, three hundred forty-one".

Divisors: 1 3 2837 8511 19531 58593 55409447 166228341