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33423101 is a prime number
BaseRepresentation
bin111111101111…
…1111011111101
32022220001212122
41333133323331
532024014401
63152212325
7554043305
oct177377375
968801778
1033423101
11179592a8
12b23a0a5
136c030aa
144620605
152e0321b
hex1fdfefd

33423101 has 2 divisors, whose sum is σ = 33423102. Its totient is φ = 33423100.

The previous prime is 33423073. The next prime is 33423113. The reversal of 33423101 is 10132433.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33051001 + 372100 = 5749^2 + 610^2 .

It is an emirp because it is prime and its reverse (10132433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33423101 - 218 = 33160957 is a prime.

It is a super-2 number, since 2×334231012 = 2234207360912402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33423101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33423121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16711550 + 16711551.

It is an arithmetic number, because the mean of its divisors is an integer number (16711551).

Almost surely, 233423101 is an apocalyptic number.

It is an amenable number.

33423101 is a deficient number, since it is larger than the sum of its proper divisors (1).

33423101 is an equidigital number, since it uses as much as digits as its factorization.

33423101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 33423101 is about 5781.2715729327. The cubic root of 33423101 is about 322.1184350154.

Adding to 33423101 its reverse (10132433), we get a palindrome (43555534).

The spelling of 33423101 in words is "thirty-three million, four hundred twenty-three thousand, one hundred one".