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33900797 = 722923857
BaseRepresentation
bin1000000101010…
…0100011111101
32100210100011002
42001110203331
532134311142
63210340045
7561103100
oct201244375
970710132
1033900797
1118155197
12b42a625
13703c658
144706737
152e99a32
hex20548fd

33900797 has 12 divisors (see below), whose sum is σ = 40797180. Its totient is φ = 28054656.

The previous prime is 33900793. The next prime is 33900799. The reversal of 33900797 is 79700933.

It can be written as a sum of positive squares in 2 ways, for example, as 8357881 + 25542916 = 2891^2 + 5054^2 .

It is not a de Polignac number, because 33900797 - 22 = 33900793 is a prime.

It is a super-2 number, since 2×339007972 = 2298528074470418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33900797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33900793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10508 + ... + 13349.

It is an arithmetic number, because the mean of its divisors is an integer number (3399765).

Almost surely, 233900797 is an apocalyptic number.

It is an amenable number.

33900797 is a deficient number, since it is larger than the sum of its proper divisors (6896383).

33900797 is a wasteful number, since it uses less digits than its factorization.

33900797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23900 (or 23893 counting only the distinct ones).

The product of its (nonzero) digits is 35721, while the sum is 38.

The square root of 33900797 is about 5822.4390937132. The cubic root of 33900797 is about 323.6457955359.

The spelling of 33900797 in words is "thirty-three million, nine hundred thousand, seven hundred ninety-seven".

Divisors: 1 7 29 49 203 1421 23857 166999 691853 1168993 4842971 33900797