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1421214301 = 13109324177
BaseRepresentation
bin101010010110110…
…0000001001011101
310200001021011111201
41110231200021131
510402312324201
6353005315501
750135056633
oct12455401135
93601234451
101421214301
1166a269381
12337b65b91
13198598810
14d6a75353
1584b85801
hex54b6025d

1421214301 has 4 divisors (see below), whose sum is σ = 1530538492. Its totient is φ = 1311890112.

The previous prime is 1421214293. The next prime is 1421214323. The reversal of 1421214301 is 1034121241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1034121241 = 4639222919.

It can be written as a sum of positive squares in 2 ways, for example, as 730891225 + 690323076 = 27035^2 + 26274^2 .

It is not a de Polignac number, because 1421214301 - 23 = 1421214293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421214101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54662076 + ... + 54662101.

It is an arithmetic number, because the mean of its divisors is an integer number (382634623).

Almost surely, 21421214301 is an apocalyptic number.

It is an amenable number.

1421214301 is a deficient number, since it is larger than the sum of its proper divisors (109324191).

1421214301 is a wasteful number, since it uses less digits than its factorization.

1421214301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109324190.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1421214301 is about 37698.9960211144. The cubic root of 1421214301 is about 1124.3111637610.

Adding to 1421214301 its reverse (1034121241), we get a palindrome (2455335542).

The spelling of 1421214301 in words is "one billion, four hundred twenty-one million, two hundred fourteen thousand, three hundred one".

Divisors: 1 13 109324177 1421214301