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33682001 = 49967499
BaseRepresentation
bin1000000001111…
…1001001010001
32100101020000112
42000133021101
532110311001
63201531105
7556202153
oct200371121
970336015
1033682001
1118015871
12b343a95
136c93ba2
14468aad3
152e54cbb
hex201f251

33682001 has 4 divisors (see below), whose sum is σ = 33750000. Its totient is φ = 33614004.

The previous prime is 33681983. The next prime is 33682009. The reversal of 33682001 is 10028633.

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: 10028633 = 22744179.

It is a cyclic number.

It is not a de Polignac number, because 33682001 - 26 = 33681937 is a prime.

It is a super-2 number, since 2×336820012 = 2268954382728002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33682009) 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, 33251 + ... + 34248.

It is an arithmetic number, because the mean of its divisors is an integer number (8437500).

Almost surely, 233682001 is an apocalyptic number.

It is an amenable number.

33682001 is a deficient number, since it is larger than the sum of its proper divisors (67999).

33682001 is an equidigital number, since it uses as much as digits as its factorization.

33682001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67998.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 33682001 is about 5803.6196463931. The cubic root of 33682001 is about 322.9480214262.

The spelling of 33682001 in words is "thirty-three million, six hundred eighty-two thousand, one".

Divisors: 1 499 67499 33682001