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33420101 = 11131032269
BaseRepresentation
bin111111101111…
…1001101000101
32022212220202112
41333133031011
532023420401
63152150405
7554031461
oct177371505
968786675
1033420101
1117957020
12b238405
136c01910
14461d4a1
152e023bb
hex1fdf345

33420101 has 16 divisors (see below), whose sum is σ = 39661440. Its totient is φ = 27760320.

The previous prime is 33420097. The next prime is 33420103. The reversal of 33420101 is 10102433.

It is a cyclic number.

It is not a de Polignac number, because 33420101 - 22 = 33420097 is a prime.

It is a super-2 number, since 2×334201012 = 2233806301700402, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33420103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13595 + ... + 15863.

It is an arithmetic number, because the mean of its divisors is an integer number (2478840).

Almost surely, 233420101 is an apocalyptic number.

It is an amenable number.

33420101 is a deficient number, since it is larger than the sum of its proper divisors (6241339).

33420101 is a wasteful number, since it uses less digits than its factorization.

33420101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 33420101 is about 5781.0121086190. The cubic root of 33420101 is about 322.1087971283.

Adding to 33420101 its reverse (10102433), we get a palindrome (43522534).

The spelling of 33420101 in words is "thirty-three million, four hundred twenty thousand, one hundred one".

Divisors: 1 11 13 103 143 1133 1339 2269 14729 24959 29497 233707 324467 2570777 3038191 33420101