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3812001 = 31270667
BaseRepresentation
bin1110100010101010100001
321011200002020
432202222201
51433441001
6213412053
744254464
oct16425241
97150066
103812001
112174016
12133a029
13a3612b
147132db
15504736
hex3a2aa1

3812001 has 4 divisors (see below), whose sum is σ = 5082672. Its totient is φ = 2541332.

The previous prime is 3811979. The next prime is 3812023. The reversal of 3812001 is 1002183.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (3811979) and next prime (3812023).

It is a cyclic number.

It is not a de Polignac number, because 3812001 - 221 = 1714849 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3812071) 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, 635331 + ... + 635336.

It is an arithmetic number, because the mean of its divisors is an integer number (1270668).

Almost surely, 23812001 is an apocalyptic number.

It is an amenable number.

3812001 is a deficient number, since it is larger than the sum of its proper divisors (1270671).

3812001 is a wasteful number, since it uses less digits than its factorization.

3812001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270670.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 3812001 is about 1952.4346339891. The cubic root of 3812001 is about 156.2131783100.

Adding to 3812001 its reverse (1002183), we get a palindrome (4814184).

The spelling of 3812001 in words is "three million, eight hundred twelve thousand, one".

Divisors: 1 3 1270667 3812001