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33894942 = 235649157
BaseRepresentation
bin1000000101001…
…1001000011110
32100210001010020
42001103020132
532134114232
63210253010
7561050034
oct201231036
970701106
1033894942
1118150854
12b427166
137039aa3
144704554
152e97e2c
hex205321e

33894942 has 8 divisors (see below), whose sum is σ = 67789896. Its totient is φ = 11298312.

The previous prime is 33894941. The next prime is 33894947. The reversal of 33894942 is 24949833.

It is a happy number.

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

33894942 is an admirable number.

It is a super-2 number, since 2×338949422 = 2297734186366728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 33894894 and 33894903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33894941) 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, 2824573 + ... + 2824584.

It is an arithmetic number, because the mean of its divisors is an integer number (8473737).

Almost surely, 233894942 is an apocalyptic number.

33894942 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.

33894942 is a wasteful number, since it uses less digits than its factorization.

33894942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5649162.

The product of its digits is 186624, while the sum is 42.

The square root of 33894942 is about 5821.9362758450. The cubic root of 33894942 is about 323.6271621959.

The spelling of 33894942 in words is "thirty-three million, eight hundred ninety-four thousand, nine hundred forty-two".

Divisors: 1 2 3 6 5649157 11298314 16947471 33894942