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82274689 = 711753527
BaseRepresentation
bin1001110011101…
…10100110000001
312201210222122201
410321312212001
5132030242224
612055233201
72016215620
oct471664601
9181728581
1082274689
1142495212
1223678801
1314078863
14acd96b7
157352a44
hex4e76981

82274689 has 4 divisors (see below), whose sum is σ = 94028224. Its totient is φ = 70521156.

The previous prime is 82274683. The next prime is 82274743. The reversal of 82274689 is 98647228.

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 82274689 - 217 = 82143617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82274683) 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 3 ways as a sum of consecutive naturals, for example, 5876757 + ... + 5876770.

It is an arithmetic number, because the mean of its divisors is an integer number (23507056).

Almost surely, 282274689 is an apocalyptic number.

It is an amenable number.

82274689 is a deficient number, since it is larger than the sum of its proper divisors (11753535).

82274689 is a wasteful number, since it uses less digits than its factorization.

82274689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11753534.

The product of its digits is 387072, while the sum is 46.

The square root of 82274689 is about 9070.5396201108. The cubic root of 82274689 is about 434.9327222328.

The spelling of 82274689 in words is "eighty-two million, two hundred seventy-four thousand, six hundred eighty-nine".

Divisors: 1 7 11753527 82274689