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1420053 = 3473351
BaseRepresentation
bin101011010101100010101
32200010221120
411122230111
5330420203
650234153
715033045
oct5325425
92603846
101420053
1188a9a8
12585959
133a948b
1428d725
151d0b53
hex15ab15

1420053 has 4 divisors (see below), whose sum is σ = 1893408. Its totient is φ = 946700.

The previous prime is 1420039. The next prime is 1420057. The reversal of 1420053 is 3500241.

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 1420053 - 24 = 1420037 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236673 + ... + 236678.

It is an arithmetic number, because the mean of its divisors is an integer number (473352).

21420053 is an apocalyptic number.

It is an amenable number.

1420053 is a deficient number, since it is larger than the sum of its proper divisors (473355).

1420053 is an equidigital number, since it uses as much as digits as its factorization.

1420053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473354.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1420053 is about 1191.6597668798. The cubic root of 1420053 is about 112.4004848364.

Adding to 1420053 its reverse (3500241), we get a palindrome (4920294).

The spelling of 1420053 in words is "one million, four hundred twenty thousand, fifty-three".

Divisors: 1 3 473351 1420053