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33874942 = 216937471
BaseRepresentation
bin1000000100111…
…0001111111110
32100202000200111
42001032033332
532132444232
63210020234
7560634523
oct201161776
970660614
1033874942
1118137822
12b41767a
13703095a
1446db14a
152e92047
hex204e3fe

33874942 has 4 divisors (see below), whose sum is σ = 50812416. Its totient is φ = 16937470.

The previous prime is 33874933. The next prime is 33874961. The reversal of 33874942 is 24947833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24947833 = 225111083.

It is a super-2 number, since 2×338749422 = 2295023391006728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) 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 = 33874895 and 33874904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8468734 + ... + 8468737.

It is an arithmetic number, because the mean of its divisors is an integer number (12703104).

Almost surely, 233874942 is an apocalyptic number.

33874942 is a deficient number, since it is larger than the sum of its proper divisors (16937474).

33874942 is a wasteful number, since it uses less digits than its factorization.

33874942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16937473.

The product of its digits is 145152, while the sum is 40.

The square root of 33874942 is about 5820.2183807826. The cubic root of 33874942 is about 323.5634966818.

The spelling of 33874942 in words is "thirty-three million, eight hundred seventy-four thousand, nine hundred forty-two".

Divisors: 1 2 16937471 33874942