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33668068 = 22710131187
BaseRepresentation
bin1000000001101…
…1101111100100
32100100111220111
42000123233210
532104334233
63201342404
7556113430
oct200335744
970314814
1033668068
1118006355
12b337a04
136c8a745
1446859c0
152e50acd
hex201bbe4

33668068 has 24 divisors (see below), whose sum is σ = 67459392. Its totient is φ = 14402784.

The previous prime is 33668059. The next prime is 33668069. The reversal of 33668068 is 86086633.

It is a super-2 number, since 2×336680682 = 2267077605705248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33668068.

It is not an unprimeable number, because it can be changed into a prime (33668069) 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, 27771 + ... + 28957.

It is an arithmetic number, because the mean of its divisors is an integer number (2810808).

Almost surely, 233668068 is an apocalyptic number.

It is an amenable number.

33668068 is an abundant number, since it is smaller than the sum of its proper divisors (33791324).

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

33668068 is a wasteful number, since it uses less digits than its factorization.

33668068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211 (or 2209 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 33668068 is about 5802.4191506647. The cubic root of 33668068 is about 322.9034847277.

The spelling of 33668068 in words is "thirty-three million, six hundred sixty-eight thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 1013 1187 2026 2374 4052 4748 7091 8309 14182 16618 28364 33236 1202431 2404862 4809724 8417017 16834034 33668068