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2248001 = 7321143
BaseRepresentation
bin1000100100110101000001
311020012200022
420210311001
51033414001
6120103225
725051640
oct10446501
94205608
102248001
1112a5a58
12904b15
136092a2
14427357
152e611b
hex224d41

2248001 has 4 divisors (see below), whose sum is σ = 2569152. Its totient is φ = 1926852.

The previous prime is 2247991. The next prime is 2248013. The reversal of 2248001 is 1008422.

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 a cyclic number.

It is not a de Polignac number, because 2248001 - 210 = 2246977 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2248021) 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, 160565 + ... + 160578.

It is an arithmetic number, because the mean of its divisors is an integer number (642288).

22248001 is an apocalyptic number.

It is an amenable number.

2248001 is a deficient number, since it is larger than the sum of its proper divisors (321151).

2248001 is an equidigital number, since it uses as much as digits as its factorization.

2248001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321150.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2248001 is about 1499.3335186008. Note that the first 3 decimals coincide. The cubic root of 2248001 is about 130.9982518268.

The spelling of 2248001 in words is "two million, two hundred forty-eight thousand, one".

Divisors: 1 7 321143 2248001