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1421075 = 5256843
BaseRepresentation
bin101011010111100010011
32200012100102
411122330103
5330433300
650243015
715036035
oct5327423
92605312
101421075
11890747
1258646b
133a9a96
1428dc55
151d10d5
hex15af13

1421075 has 6 divisors (see below), whose sum is σ = 1762164. Its totient is φ = 1136840.

The previous prime is 1421041. The next prime is 1421083. The reversal of 1421075 is 5701241.

It is not a de Polignac number, because 1421075 - 26 = 1421011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28397 + ... + 28446.

It is an arithmetic number, because the mean of its divisors is an integer number (293694).

21421075 is an apocalyptic number.

1421075 is a deficient number, since it is larger than the sum of its proper divisors (341089).

1421075 is an equidigital number, since it uses as much as digits as its factorization.

1421075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56853 (or 56848 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1421075 is about 1192.0885034258. The cubic root of 1421075 is about 112.4274429262.

The spelling of 1421075 in words is "one million, four hundred twenty-one thousand, seventy-five".

Divisors: 1 5 25 56843 284215 1421075