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1420135 = 52353233
BaseRepresentation
bin101011010101101100111
32200011001121
411122231213
5330421020
650234411
715033223
oct5325547
92604047
101420135
1188aa72
12585a07
133a9522
1428d783
151d0baa
hex15ab67

1420135 has 16 divisors (see below), whose sum is σ = 1819584. Its totient is φ = 1061632.

The previous prime is 1420123. The next prime is 1420151. The reversal of 1420135 is 5310241.

It is a cyclic number.

It is not a de Polignac number, because 1420135 - 215 = 1387367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5979 + ... + 6211.

It is an arithmetic number, because the mean of its divisors is an integer number (113724).

21420135 is an apocalyptic number.

1420135 is a deficient number, since it is larger than the sum of its proper divisors (399449).

1420135 is a wasteful number, since it uses less digits than its factorization.

1420135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1420135 is about 1191.6941721767. The cubic root of 1420135 is about 112.4026482914.

Adding to 1420135 its reverse (5310241), we get a palindrome (6730376).

The spelling of 1420135 in words is "one million, four hundred twenty thousand, one hundred thirty-five".

Divisors: 1 5 23 53 115 233 265 1165 1219 5359 6095 12349 26795 61745 284027 1420135