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1400241 = 3466747
BaseRepresentation
bin101010101110110110001
32122010202210
411111312301
5324301431
650002333
714621223
oct5256661
92563683
101400241
11877027
125763a9
133a045b
14286413
151c9d46
hex155db1

1400241 has 4 divisors (see below), whose sum is σ = 1866992. Its totient is φ = 933492.

The previous prime is 1400197. The next prime is 1400249. The reversal of 1400241 is 1420041.

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 not a de Polignac number, because 1400241 - 214 = 1383857 is a prime.

It is a D-number.

It is a Duffinian number.

1400241 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1400249) 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, 233371 + ... + 233376.

It is an arithmetic number, because the mean of its divisors is an integer number (466748).

21400241 is an apocalyptic number.

It is an amenable number.

1400241 is a deficient number, since it is larger than the sum of its proper divisors (466751).

1400241 is an equidigital number, since it uses as much as digits as its factorization.

1400241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466750.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1400241 is about 1183.3177933252. The cubic root of 1400241 is about 111.8753129835.

Adding to 1400241 its reverse (1420041), we get a palindrome (2820282).

The spelling of 1400241 in words is "one million, four hundred thousand, two hundred forty-one".

Divisors: 1 3 466747 1400241