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1420552733 = 2948984577
BaseRepresentation
bin101010010101011…
…1110101000011101
310200000000120000012
41110222332220131
510402130141413
6352543213005
750126333105
oct12452765035
93600016005
101420552733
11669957326
123378a7165
131983c6662
14d6942205
1584aa47a8
hex54abea1d

1420552733 has 4 divisors (see below), whose sum is σ = 1469537340. Its totient is φ = 1371568128.

The previous prime is 1420552717. The next prime is 1420552781. The reversal of 1420552733 is 3372550241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3372550241 = 9113702031.

It can be written as a sum of positive squares in 2 ways, for example, as 610979524 + 809573209 = 24718^2 + 28453^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420552733 - 24 = 1420552717 is a prime.

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 1420552733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420552633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24492260 + ... + 24492317.

It is an arithmetic number, because the mean of its divisors is an integer number (367384335).

Almost surely, 21420552733 is an apocalyptic number.

It is an amenable number.

1420552733 is a deficient number, since it is larger than the sum of its proper divisors (48984607).

1420552733 is an equidigital number, since it uses as much as digits as its factorization.

1420552733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48984606.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 1420552733 is about 37690.2206547003. The cubic root of 1420552733 is about 1124.1366829830.

The spelling of 1420552733 in words is "one billion, four hundred twenty million, five hundred fifty-two thousand, seven hundred thirty-three".

Divisors: 1 29 48984577 1420552733