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1420440241 = 11357136161
BaseRepresentation
bin101010010101010…
…0011001010110001
310122222210211200211
41110222203022301
510402113041431
6352540544121
750125354123
oct12452431261
93588724624
101420440241
1166988a860
12337852041
131983873ac
14d6913213
1584a812b1
hex54aa32b1

1420440241 has 8 divisors (see below), whose sum is σ = 1550047968. Its totient is φ = 1290912000.

The previous prime is 1420440221. The next prime is 1420440257.

1420440241 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 not a de Polignac number, because 1420440241 - 211 = 1420438193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420440221) 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, 21201 + ... + 57361.

It is an arithmetic number, because the mean of its divisors is an integer number (193755996).

Almost surely, 21420440241 is an apocalyptic number.

1420440241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1420440241 is a deficient number, since it is larger than the sum of its proper divisors (129607727).

1420440241 is a wasteful number, since it uses less digits than its factorization.

1420440241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39743.

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

The square root of 1420440241 is about 37688.7283017085. The cubic root of 1420440241 is about 1124.1070091528.

It can be divided in two parts, 14204 and 40241, that added together give a palindrome (54445).

The spelling of 1420440241 in words is "one billion, four hundred twenty million, four hundred forty thousand, two hundred forty-one".

Divisors: 1 11 3571 36161 39281 397771 129130931 1420440241