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69201243 = 332563009
BaseRepresentation
bin1000001111111…
…10110101011011
311211012210021000
410013332311123
5120203414433
610511120043
71500125616
oct407766533
9154183230
1069201243
1136075a11
121b213023
131144c0a7
14929517d
15611e113
hex41fed5b

69201243 has 8 divisors (see below), whose sum is σ = 102520400. Its totient is φ = 46134144.

The previous prime is 69201241. The next prime is 69201259. The reversal of 69201243 is 34210296.

It is not a de Polignac number, because 69201243 - 21 = 69201241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2563009 = 69201243 / (6 + 9 + 2 + 0 + 1 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69201241) 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 7 ways as a sum of consecutive naturals, for example, 1281478 + ... + 1281531.

It is an arithmetic number, because the mean of its divisors is an integer number (12815050).

Almost surely, 269201243 is an apocalyptic number.

69201243 is a deficient number, since it is larger than the sum of its proper divisors (33319157).

69201243 is a wasteful number, since it uses less digits than its factorization.

69201243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563018 (or 2563012 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 69201243 is about 8318.7284485070. The cubic root of 69201243 is about 410.5549554218.

The spelling of 69201243 in words is "sixty-nine million, two hundred one thousand, two hundred forty-three".

Divisors: 1 3 9 27 2563009 7689027 23067081 69201243