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33981241 = 724120143
BaseRepresentation
bin1000000110100…
…0001100111001
32100221102111111
42001220030321
532144344431
63212200321
7561556450
oct201501471
970842444
1033981241
11181aa678
12b4690a1
13706a158
144727b97
152eb37b1
hex2068339

33981241 has 8 divisors (see below), whose sum is σ = 38998784. Its totient is φ = 29004480.

The previous prime is 33981229. The next prime is 33981257. The reversal of 33981241 is 14218933.

33981241 = 2492 + 2502 + ... + 4892.

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

It is a cyclic number.

It is not a de Polignac number, because 33981241 - 217 = 33850169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33981271) 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, 8385 + ... + 11758.

It is an arithmetic number, because the mean of its divisors is an integer number (4874848).

Almost surely, 233981241 is an apocalyptic number.

It is an amenable number.

33981241 is a deficient number, since it is larger than the sum of its proper divisors (5017543).

33981241 is a wasteful number, since it uses less digits than its factorization.

33981241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20391.

The product of its digits is 5184, while the sum is 31.

The square root of 33981241 is about 5829.3431019284. The cubic root of 33981241 is about 323.9015888945.

The spelling of 33981241 in words is "thirty-three million, nine hundred eighty-one thousand, two hundred forty-one".

Divisors: 1 7 241 1687 20143 141001 4854463 33981241