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33968169 = 3247131613
BaseRepresentation
bin1000000110010…
…1000000101001
32100220202120100
42001211000221
532143440134
63212020013
7561503364
oct201450051
970822510
1033968169
11181a0874
12b461609
137064211
1447230db
152eae999
hex2065029

33968169 has 24 divisors (see below), whose sum is σ = 50573952. Its totient is φ = 21958560.

The previous prime is 33968149. The next prime is 33968173. The reversal of 33968169 is 96186933.

It is not a de Polignac number, because 33968169 - 27 = 33968041 is a prime.

It is a super-2 number, since 2×339681692 = 2307673010425122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33968149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55107 + ... + 55719.

It is an arithmetic number, because the mean of its divisors is an integer number (2107248).

Almost surely, 233968169 is an apocalyptic number.

It is an amenable number.

33968169 is a deficient number, since it is larger than the sum of its proper divisors (16605783).

33968169 is a wasteful number, since it uses less digits than its factorization.

33968169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 794 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 33968169 is about 5828.2217699741. The cubic root of 33968169 is about 323.8600504409.

The spelling of 33968169 in words is "thirty-three million, nine hundred sixty-eight thousand, one hundred sixty-nine".

Divisors: 1 3 9 47 131 141 393 423 613 1179 1839 5517 6157 18471 28811 55413 80303 86433 240909 259299 722727 3774241 11322723 33968169