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1420435 = 5172983
BaseRepresentation
bin101011010110010010011
32200011110201
411122302103
5330423220
650240031
715034132
oct5326223
92604421
101420435
11890215
12586017
133a96c3
1428d919
151d0d0a
hex15ac93

1420435 has 12 divisors (see below), whose sum is σ = 1812528. Its totient is φ = 1068416.

The previous prime is 1420429. The next prime is 1420483. The reversal of 1420435 is 5340241.

It is not a de Polignac number, because 1420435 - 25 = 1420403 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 954 + ... + 1936.

It is an arithmetic number, because the mean of its divisors is an integer number (151044).

21420435 is an apocalyptic number.

1420435 is a deficient number, since it is larger than the sum of its proper divisors (392093).

1420435 is an equidigital number, since it uses as much as digits as its factorization.

1420435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1420435 is about 1191.8200367505. The cubic root of 1420435 is about 112.4105626611.

Adding to 1420435 its reverse (5340241), we get a palindrome (6760676).

It can be divided in two parts, 14 and 20435, that added together give a square (20449 = 1432).

The spelling of 1420435 in words is "one million, four hundred twenty thousand, four hundred thirty-five".

Divisors: 1 5 17 85 289 983 1445 4915 16711 83555 284087 1420435