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1420301233 = 13109253941
BaseRepresentation
bin101010010101000…
…0001001110110001
310122222112210000101
41110222001032301
510402044114413
6352533552401
750124234631
oct12452011661
93588483011
101420301233
116697a537a
123377a5701
13198339040
14d68b86c1
1584a54edd
hex54a813b1

1420301233 has 4 divisors (see below), whose sum is σ = 1529555188. Its totient is φ = 1311047280.

The previous prime is 1420301191. The next prime is 1420301269. The reversal of 1420301233 is 3321030241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 342361009 + 1077940224 = 18503^2 + 32832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1420301233 is a prime.

It is a super-2 number, since 2×14203012332 = 4034511184922640578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420301233.

It is not an unprimeable number, because it can be changed into a prime (1420401233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54626958 + ... + 54626983.

It is an arithmetic number, because the mean of its divisors is an integer number (382388797).

Almost surely, 21420301233 is an apocalyptic number.

1420301233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1420301233 is a deficient number, since it is larger than the sum of its proper divisors (109253955).

1420301233 is a wasteful number, since it uses less digits than its factorization.

1420301233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109253954.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1420301233 is about 37686.8840977866. The cubic root of 1420301233 is about 1124.0703386051.

Adding to 1420301233 its reverse (3321030241), we get a palindrome (4741331474).

The spelling of 1420301233 in words is "one billion, four hundred twenty million, three hundred one thousand, two hundred thirty-three".

Divisors: 1 13 109253941 1420301233