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1421701 = 2276263
BaseRepresentation
bin101011011000110000101
32200020012121
411123012011
5330443301
650245541
715040621
oct5330605
92606177
101421701
11891166
125868b1
133aa158
14290181
151d13a1
hex15b185

1421701 has 4 divisors (see below), whose sum is σ = 1428192. Its totient is φ = 1415212.

The previous prime is 1421689. The next prime is 1421711. The reversal of 1421701 is 1071241.

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 1421701 - 25 = 1421669 is a prime.

It is a Duffinian number.

1421701 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421711) 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, 2905 + ... + 3358.

It is an arithmetic number, because the mean of its divisors is an integer number (357048).

21421701 is an apocalyptic number.

It is an amenable number.

1421701 is a deficient number, since it is larger than the sum of its proper divisors (6491).

1421701 is an equidigital number, since it uses as much as digits as its factorization.

1421701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1421701 is about 1192.3510389143. The cubic root of 1421701 is about 112.4439490331.

Adding to 1421701 its reverse (1071241), we get a palindrome (2492942).

The spelling of 1421701 in words is "one million, four hundred twenty-one thousand, seven hundred one".

Divisors: 1 227 6263 1421701