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1420242241 = 11993113001
BaseRepresentation
bin101010010100111…
…0010110101000001
310122222102210002111
41110221302311001
510402040222431
6352532415321
750123600635
oct12451626501
93588383074
101420242241
11669765020
12337777541
13198318232
14d68a0dc5
1584a427b1
hex54a72d41

1420242241 has 8 divisors (see below), whose sum is σ = 1549630368. Its totient is φ = 1290900000.

The previous prime is 1420242221. The next prime is 1420242247. The reversal of 1420242241 is 1422420241.

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

It is a cyclic number.

It is not a de Polignac number, because 1420242241 - 29 = 1420241729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420242247) 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, 102741 + ... + 115741.

It is an arithmetic number, because the mean of its divisors is an integer number (193703796).

Almost surely, 21420242241 is an apocalyptic number.

1420242241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1420242241 is a deficient number, since it is larger than the sum of its proper divisors (129388127).

1420242241 is a wasteful number, since it uses less digits than its factorization.

1420242241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22943.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1420242241 is about 37686.1014301028. The cubic root of 1420242241 is about 1124.0547756916.

Adding to 1420242241 its reverse (1422420241), we get a palindrome (2842662482).

The spelling of 1420242241 in words is "one billion, four hundred twenty million, two hundred forty-two thousand, two hundred forty-one".

Divisors: 1 11 9931 13001 109241 143011 129112931 1420242241