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82545137 = 233588919
BaseRepresentation
bin1001110101110…
…00100111110001
312202022201122022
410322320213301
5132112421022
612105121225
72021423243
oct472704761
9182281568
1082545137
114265a424
1223789215
131414199c
14ad6a093
1573a7c42
hex4eb89f1

82545137 has 4 divisors (see below), whose sum is σ = 86134080. Its totient is φ = 78956196.

The previous prime is 82545119. The next prime is 82545181. The reversal of 82545137 is 73154528.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82545137 - 226 = 15436273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82545097 and 82545106.

It is not an unprimeable number, because it can be changed into a prime (82545037) 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, 1794437 + ... + 1794482.

It is an arithmetic number, because the mean of its divisors is an integer number (21533520).

Almost surely, 282545137 is an apocalyptic number.

It is an amenable number.

82545137 is a deficient number, since it is larger than the sum of its proper divisors (3588943).

82545137 is a wasteful number, since it uses less digits than its factorization.

82545137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588942.

The product of its digits is 33600, while the sum is 35.

The square root of 82545137 is about 9085.4354326031. The cubic root of 82545137 is about 435.4087618517.

The spelling of 82545137 in words is "eighty-two million, five hundred forty-five thousand, one hundred thirty-seven".

Divisors: 1 23 3588919 82545137