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33140001 = 311046667
BaseRepresentation
bin111111001101…
…0110100100001
32022100200112110
41332122310201
531440440001
63142145533
7551454036
oct176326441
968320473
1033140001
1117785634
12b1222a9
136b3428b
14458938d
152d993d6
hex1f9ad21

33140001 has 4 divisors (see below), whose sum is σ = 44186672. Its totient is φ = 22093332.

The previous prime is 33139973. The next prime is 33140017. The reversal of 33140001 is 10004133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10004133 = 33334711.

It is not a de Polignac number, because 33140001 - 25 = 33139969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33140071) 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, 5523331 + ... + 5523336.

It is an arithmetic number, because the mean of its divisors is an integer number (11046668).

Almost surely, 233140001 is an apocalyptic number.

It is an amenable number.

33140001 is a deficient number, since it is larger than the sum of its proper divisors (11046671).

33140001 is a wasteful number, since it uses less digits than its factorization.

33140001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11046670.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 33140001 is about 5756.7352727045. The cubic root of 33140001 is about 321.2063870099.

Adding to 33140001 its reverse (10004133), we get a palindrome (43144134).

The spelling of 33140001 in words is "thirty-three million, one hundred forty thousand, one".

Divisors: 1 3 11046667 33140001