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33969040 = 245760659
BaseRepresentation
bin1000000110010…
…1001110010000
32100220210202121
42001211032100
532144002130
63212024024
7561506050
oct201451620
970823677
1033969040
11181a1496
12b462014
137064731
144723560
152eaed7a
hex2065390

33969040 has 40 divisors (see below), whose sum is σ = 90262080. Its totient is φ = 11646336.

The previous prime is 33969031. The next prime is 33969041. The reversal of 33969040 is 4096933.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 33968987 and 33969005.

It is not an unprimeable number, because it can be changed into a prime (33969041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29770 + ... + 30889.

It is an arithmetic number, because the mean of its divisors is an integer number (2256552).

Almost surely, 233969040 is an apocalyptic number.

It is an amenable number.

33969040 is an abundant number, since it is smaller than the sum of its proper divisors (56293040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33969040 is a wasteful number, since it uses less digits than its factorization.

33969040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60679 (or 60673 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 33969040 is about 5828.2964921150. The cubic root of 33969040 is about 323.8628185196.

The spelling of 33969040 in words is "thirty-three million, nine hundred sixty-nine thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 60659 121318 242636 303295 424613 485272 606590 849226 970544 1213180 1698452 2123065 2426360 3396904 4246130 4852720 6793808 8492260 16984520 33969040