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69145433 = 710792317
BaseRepresentation
bin1000001111100…
…01001101011001
311211002221200222
410013301031121
5120200123213
610510005425
71466504120
oct407611531
9154087628
1069145433
1136037a95
121b1a6875
131142c876
14927cab7
15610c808
hex41f1359

69145433 has 8 divisors (see below), whose sum is σ = 79762752. Its totient is φ = 58712976.

The previous prime is 69145403. The next prime is 69145451. The reversal of 69145433 is 33454196.

It is a happy number.

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

It is not a de Polignac number, because 69145433 - 28 = 69145177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69145393 and 69145402.

It is not an unprimeable number, because it can be changed into a prime (69145403) 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 7 ways as a sum of consecutive naturals, for example, 45410 + ... + 46907.

It is an arithmetic number, because the mean of its divisors is an integer number (9970344).

Almost surely, 269145433 is an apocalyptic number.

It is an amenable number.

69145433 is a deficient number, since it is larger than the sum of its proper divisors (10617319).

69145433 is a wasteful number, since it uses less digits than its factorization.

69145433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92431.

The product of its digits is 38880, while the sum is 35.

The square root of 69145433 is about 8315.3732928835. The cubic root of 69145433 is about 410.4445564677. Note that the first 3 decimals are identical.

The spelling of 69145433 in words is "sixty-nine million, one hundred forty-five thousand, four hundred thirty-three".

Divisors: 1 7 107 749 92317 646219 9877919 69145433