Search a number
-
+
1420241 = 53127211
BaseRepresentation
bin101011010101111010001
32200011012112
411122233101
5330421431
650235105
715033434
oct5325721
92604175
101420241
11890059
12585a95
133a95a4
1428d81b
151d0c2b
hex15abd1

1420241 has 8 divisors (see below), whose sum is σ = 1465344. Its totient is φ = 1375920.

The previous prime is 1420207. The next prime is 1420253.

1420241 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1420241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1420201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6626 + ... + 6836.

It is an arithmetic number, because the mean of its divisors is an integer number (183168).

21420241 is an apocalyptic number.

It is an amenable number.

1420241 is a deficient number, since it is larger than the sum of its proper divisors (45103).

1420241 is a wasteful number, since it uses less digits than its factorization.

1420241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1420241 is about 1191.7386458448. The cubic root of 1420241 is about 112.4054448294.

It can be divided in two parts, 1420 and 241, that added together give a palindrome (1661).

The spelling of 1420241 in words is "one million, four hundred twenty thousand, two hundred forty-one".

Divisors: 1 53 127 211 6731 11183 26797 1420241