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33790997 is a prime number
BaseRepresentation
bin1000000011100…
…1110000010101
32100120202112102
42000321300111
532122302442
63204131445
7560135012
oct200716025
970522472
1033790997
111808a749
12b396b85
137001696
1446b8709
152e77232
hex2039c15

33790997 has 2 divisors, whose sum is σ = 33790998. Its totient is φ = 33790996.

The previous prime is 33790963. The next prime is 33791033. The reversal of 33790997 is 79909733.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19945156 + 13845841 = 4466^2 + 3721^2 .

It is a cyclic number.

It is not a de Polignac number, because 33790997 - 214 = 33774613 is a prime.

It is a super-2 number, since 2×337909972 = 2283662956508018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33790927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16895498 + 16895499.

It is an arithmetic number, because the mean of its divisors is an integer number (16895499).

Almost surely, 233790997 is an apocalyptic number.

It is an amenable number.

33790997 is a deficient number, since it is larger than the sum of its proper divisors (1).

33790997 is an equidigital number, since it uses as much as digits as its factorization.

33790997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 321489, while the sum is 47.

The square root of 33790997 is about 5813.0024083945. The cubic root of 33790997 is about 323.2960029409.

The spelling of 33790997 in words is "thirty-three million, seven hundred ninety thousand, nine hundred ninety-seven".