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3223001 = 7334397
BaseRepresentation
bin1100010010110111011001
320001202010102
430102313121
51311114001
6153025145
736252335
oct14226731
96052112
103223001
111901541
1210b51b5
1388b002
145dc7c5
15439e6b
hex312dd9

3223001 has 4 divisors (see below), whose sum is σ = 3228132. Its totient is φ = 3217872.

The previous prime is 3222991. The next prime is 3223007. The reversal of 3223001 is 1003223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1003223 = 1377171.

It can be written as a sum of positive squares in 2 ways, for example, as 2544025 + 678976 = 1595^2 + 824^2 .

It is a cyclic number.

It is not a de Polignac number, because 3223001 - 26 = 3222937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3223007) 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, 1466 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (807033).

Almost surely, 23223001 is an apocalyptic number.

3223001 is the 1466-th pentagonal number.

It is an amenable number.

3223001 is a deficient number, since it is larger than the sum of its proper divisors (5131).

3223001 is an equidigital number, since it uses as much as digits as its factorization.

3223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3223001 is about 1795.2718457103. The cubic root of 3223001 is about 147.7134857465.

Adding to 3223001 its reverse (1003223), we get a palindrome (4226224).

The spelling of 3223001 in words is "three million, two hundred twenty-three thousand, one".

Divisors: 1 733 4397 3223001