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1421245341 = 32157916149
BaseRepresentation
bin101010010110110…
…0111101110011101
310200001022202002100
41110231213232131
510402314322331
6353010115313
750135246265
oct12455475635
93601282070
101421245341
1166a28a72a
12337b7bb39
131985a9999
14d6a827a5
1584b8eae6
hex54b67b9d

1421245341 has 6 divisors (see below), whose sum is σ = 2052909950. Its totient is φ = 947496888.

The previous prime is 1421245337. The next prime is 1421245351. The reversal of 1421245341 is 1435421241.

1421245341 is a `hidden beast` number, since 1 + 4 + 2 + 124 + 534 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 890127225 + 531118116 = 29835^2 + 23046^2 .

It is not a de Polignac number, because 1421245341 - 22 = 1421245337 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 (1421245351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78958066 + ... + 78958083.

Almost surely, 21421245341 is an apocalyptic number.

It is an amenable number.

1421245341 is a deficient number, since it is larger than the sum of its proper divisors (631664609).

1421245341 is a wasteful number, since it uses less digits than its factorization.

1421245341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157916155 (or 157916152 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1421245341 is about 37699.4077009175. The cubic root of 1421245341 is about 1124.3193488659.

Adding to 1421245341 its reverse (1435421241), we get a palindrome (2856666582).

The spelling of 1421245341 in words is "one billion, four hundred twenty-one million, two hundred forty-five thousand, three hundred forty-one".

Divisors: 1 3 9 157916149 473748447 1421245341