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33742938 = 235623823
BaseRepresentation
bin1000000010111…
…0000001011010
32100111022121110
42000232001122
532114233223
63203121150
7556544625
oct200560132
970438543
1033742938
1118057629
12b3731b6
136cb5848
1446a4dbc
152e67d93
hex202e05a

33742938 has 8 divisors (see below), whose sum is σ = 67485888. Its totient is φ = 11247644.

The previous prime is 33742937. The next prime is 33742949. The reversal of 33742938 is 83924733.

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

33742938 is an admirable number.

It is a super-2 number, since 2×337429382 = 2277171729743688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33742896 and 33742905.

It is not an unprimeable number, because it can be changed into a prime (33742931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811906 + ... + 2811917.

It is an arithmetic number, because the mean of its divisors is an integer number (8435736).

Almost surely, 233742938 is an apocalyptic number.

33742938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33742938 is a wasteful number, since it uses less digits than its factorization.

33742938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5623828.

The product of its digits is 108864, while the sum is 39.

The square root of 33742938 is about 5808.8671873266. The cubic root of 33742938 is about 323.1426617580.

The spelling of 33742938 in words is "thirty-three million, seven hundred forty-two thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 5623823 11247646 16871469 33742938