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33828361 = 78575639
BaseRepresentation
bin1000000100001…
…0111000001001
32100122122210021
42001002320021
532130001421
63205020441
7560351650
oct201027011
970578707
1033828361
1118105826
12b3b4721
1370156a8
1446c8197
152e83341
hex2042e09

33828361 has 8 divisors (see below), whose sum is σ = 38712960. Its totient is φ = 28956768.

The previous prime is 33828359. The next prime is 33828373. The reversal of 33828361 is 16382833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33828361 - 21 = 33828359 is a prime.

It is a super-2 number, since 2×338283612 = 2288716015892642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33828661) 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, 3180 + ... + 8818.

It is an arithmetic number, because the mean of its divisors is an integer number (4839120).

Almost surely, 233828361 is an apocalyptic number.

It is an amenable number.

33828361 is a deficient number, since it is larger than the sum of its proper divisors (4884599).

33828361 is an equidigital number, since it uses as much as digits as its factorization.

33828361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6503.

The product of its digits is 20736, while the sum is 34.

The square root of 33828361 is about 5816.2153502084. The cubic root of 33828361 is about 323.4151193068.

The spelling of 33828361 in words is "thirty-three million, eight hundred twenty-eight thousand, three hundred sixty-one".

Divisors: 1 7 857 5639 5999 39473 4832623 33828361