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33868772 = 2278913591
BaseRepresentation
bin1000000100110…
…0101111100100
32100201201012222
42001030233210
532132300042
63205531512
7560610530
oct201145744
970651188
1033868772
1118133123
12b413b98
13702abc2
1446d8bc0
152e902d2
hex204cbe4

33868772 has 24 divisors (see below), whose sum is σ = 68503680. Its totient is φ = 14351040.

The previous prime is 33868763. The next prime is 33868787. The reversal of 33868772 is 27786833.

It is a super-2 number, since 2×338687722 = 2294187433575968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4304 + ... + 9287.

It is an arithmetic number, because the mean of its divisors is an integer number (2854320).

Almost surely, 233868772 is an apocalyptic number.

It is an amenable number.

33868772 is an abundant number, since it is smaller than the sum of its proper divisors (34634908).

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

33868772 is a wasteful number, since it uses less digits than its factorization.

33868772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13691 (or 13689 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 33868772 is about 5819.6883078048. The cubic root of 33868772 is about 323.5438508130.

The spelling of 33868772 in words is "thirty-three million, eight hundred sixty-eight thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 14 28 89 178 356 623 1246 2492 13591 27182 54364 95137 190274 380548 1209599 2419198 4838396 8467193 16934386 33868772