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536842690 = 2553684269
BaseRepresentation
bin11111111111111…
…001000111000010
31101102011102201121
4133333321013002
52044412431230
6125134222454
716206042016
oct3777710702
91342142647
10536842690
1125604094a
1212b954a2a
13872b47c7
1451426546
15321e477a
hex1fff91c2

536842690 has 8 divisors (see below), whose sum is σ = 966316860. Its totient is φ = 214737072.

The previous prime is 536842681. The next prime is 536842697. The reversal of 536842690 is 96248635.

It can be written as a sum of positive squares in 2 ways, for example, as 533748609 + 3094081 = 23103^2 + 1759^2 .

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

It is a super-2 number, since 2×5368426902 = 576400147612872200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (536842697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26842125 + ... + 26842144.

Almost surely, 2536842690 is an apocalyptic number.

536842690 is a deficient number, since it is larger than the sum of its proper divisors (429474170).

536842690 is a wasteful number, since it uses less digits than its factorization.

536842690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53684276.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 536842690 is about 23169.8659901174. The cubic root of 536842690 is about 812.7350969385.

The spelling of 536842690 in words is "five hundred thirty-six million, eight hundred forty-two thousand, six hundred ninety".

Divisors: 1 2 5 10 53684269 107368538 268421345 536842690