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1420033141 = 5092789849
BaseRepresentation
bin101010010100011…
…1111110001110101
310122222001011021001
41110220333301311
510402012030031
6352524123301
750122040212
oct12450776165
93588034231
101420033141
11669631a0a
12337696531
13198273cc7
14d6848b09
1584a00861
hex54a3fc75

1420033141 has 4 divisors (see below), whose sum is σ = 1422823500. Its totient is φ = 1417242784.

The previous prime is 1420033123. The next prime is 1420033159. The reversal of 1420033141 is 1413300241.

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

It is an interprime number because it is at equal distance from previous prime (1420033123) and next prime (1420033159).

It can be written as a sum of positive squares in 2 ways, for example, as 554790916 + 865242225 = 23554^2 + 29415^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420033141 - 221 = 1417935989 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 (1420037141) 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, 1394416 + ... + 1395433.

It is an arithmetic number, because the mean of its divisors is an integer number (355705875).

Almost surely, 21420033141 is an apocalyptic number.

It is an amenable number.

1420033141 is a deficient number, since it is larger than the sum of its proper divisors (2790359).

1420033141 is an equidigital number, since it uses as much as digits as its factorization.

1420033141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790358.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1420033141 is about 37683.3270956799. The cubic root of 1420033141 is about 1123.9996087202. Note that the first 3 decimals are identical.

Adding to 1420033141 its reverse (1413300241), we get a palindrome (2833333382).

The spelling of 1420033141 in words is "one billion, four hundred twenty million, thirty-three thousand, one hundred forty-one".

Divisors: 1 509 2789849 1420033141