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2240401 = 3172271
BaseRepresentation
bin1000100010111110010001
311012211020211
420202332101
51033143101
6120004121
725020532
oct10427621
94184224
102240401
1112a0279
12900641
136059a7
14424689
152e3c51
hex222f91

2240401 has 4 divisors (see below), whose sum is σ = 2312704. Its totient is φ = 2168100.

The previous prime is 2240389. The next prime is 2240431. The reversal of 2240401 is 1040422.

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 2240401 - 25 = 2240369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240431) 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, 36105 + ... + 36166.

It is an arithmetic number, because the mean of its divisors is an integer number (578176).

22240401 is an apocalyptic number.

It is an amenable number.

2240401 is a deficient number, since it is larger than the sum of its proper divisors (72303).

2240401 is an equidigital number, since it uses as much as digits as its factorization.

2240401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72302.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2240401 is about 1496.7969134121. The cubic root of 2240401 is about 130.8504596654.

Adding to 2240401 its reverse (1040422), we get a palindrome (3280823).

The spelling of 2240401 in words is "two million, two hundred forty thousand, four hundred one".

Divisors: 1 31 72271 2240401