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2240001 = 3382963
BaseRepresentation
bin1000100010111000000001
311012210201000
420202320001
51033140001
6120002213
725016421
oct10427001
94183630
102240001
11129aa45
12900369
1360575a
14424481
152e3a86
hex222e01

2240001 has 8 divisors (see below), whose sum is σ = 3318560. Its totient is φ = 1493316.

The previous prime is 2239997. The next prime is 2240003. The reversal of 2240001 is 1000422.

It is not a de Polignac number, because 2240001 - 22 = 2239997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

2240001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2240003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41455 + ... + 41508.

It is an arithmetic number, because the mean of its divisors is an integer number (414820).

22240001 is an apocalyptic number.

It is an amenable number.

2240001 is a deficient number, since it is larger than the sum of its proper divisors (1078559).

2240001 is an equidigital number, since it uses as much as digits as its factorization.

2240001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82972 (or 82966 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2240001 is about 1496.6632887861. The cubic root of 2240001 is about 130.8426718782.

Adding to 2240001 its reverse (1000422), we get a palindrome (3240423).

The spelling of 2240001 in words is "two million, two hundred forty thousand, one".

Divisors: 1 3 9 27 82963 248889 746667 2240001