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82954457 = 123767061
BaseRepresentation
bin1001111000111…
…00100011011001
312210002112010022
410330130203121
5132214020312
612122000225
72025046505
oct474344331
9183075108
1082954457
1142909a03
1223946075
13142560a1
14b035305
157439172
hex4f1c8d9

82954457 has 4 divisors (see below), whose sum is σ = 83022756. Its totient is φ = 82886160.

The previous prime is 82954429. The next prime is 82954463. The reversal of 82954457 is 75445928.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45549001 + 37405456 = 6749^2 + 6116^2 .

It is a cyclic number.

It is not a de Polignac number, because 82954457 - 26 = 82954393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82954957) 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, 32294 + ... + 34767.

It is an arithmetic number, because the mean of its divisors is an integer number (20755689).

Almost surely, 282954457 is an apocalyptic number.

It is an amenable number.

82954457 is a deficient number, since it is larger than the sum of its proper divisors (68299).

82954457 is a wasteful number, since it uses less digits than its factorization.

82954457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68298.

The product of its digits is 403200, while the sum is 44.

The square root of 82954457 is about 9107.9337393286. The cubic root of 82954457 is about 436.1272686990.

The spelling of 82954457 in words is "eighty-two million, nine hundred fifty-four thousand, four hundred fifty-seven".

Divisors: 1 1237 67061 82954457