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33220141 = 671672969
BaseRepresentation
bin111111010111…
…0011000101101
32022111202110121
41332232120231
532001021031
63144004541
7552236503
oct176563055
968452417
1033220141
111782a869
12b160751
136b618b6
1445aa673
152db3011
hex1fae62d

33220141 has 8 divisors (see below), whose sum is σ = 33929280. Its totient is φ = 32517408.

The previous prime is 33220139. The next prime is 33220157. The reversal of 33220141 is 14102233.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 33220141 - 21 = 33220139 is a prime.

It is a super-2 number, since 2×332201412 = 2207155536119762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33220181) 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, 9705 + ... + 12673.

It is an arithmetic number, because the mean of its divisors is an integer number (4241160).

Almost surely, 233220141 is an apocalyptic number.

It is an amenable number.

33220141 is a deficient number, since it is larger than the sum of its proper divisors (709139).

33220141 is a wasteful number, since it uses less digits than its factorization.

33220141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 33220141 is about 5763.6916121528. The cubic root of 33220141 is about 321.4650950901.

Adding to 33220141 its reverse (14102233), we get a palindrome (47322374).

The spelling of 33220141 in words is "thirty-three million, two hundred twenty thousand, one hundred forty-one".

Divisors: 1 67 167 2969 11189 198923 495823 33220141