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82088457 = 31121012239
BaseRepresentation
bin1001110010010…
…01001000001001
312201110112012020
410321021020021
5132003312312
612051235053
72014511643
oct471111011
9181415166
1082088457
1142378300
12235a8a89
1314011b69
14ac8b893
15731778c
hex4e49209

82088457 has 24 divisors (see below), whose sum is σ = 121551360. Its totient is φ = 49236000.

The previous prime is 82088453. The next prime is 82088471. The reversal of 82088457 is 75488028.

It is not a de Polignac number, because 82088457 - 22 = 82088453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82088453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35544 + ... + 37782.

It is an arithmetic number, because the mean of its divisors is an integer number (5064640).

Almost surely, 282088457 is an apocalyptic number.

It is an amenable number.

82088457 is a deficient number, since it is larger than the sum of its proper divisors (39462903).

82088457 is a wasteful number, since it uses less digits than its factorization.

82088457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365 (or 2354 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 82088457 is about 9060.2680423926. The cubic root of 82088457 is about 434.6043118673.

The spelling of 82088457 in words is "eighty-two million, eighty-eight thousand, four hundred fifty-seven".

Divisors: 1 3 11 33 101 121 303 363 1111 2239 3333 6717 12221 24629 36663 73887 226139 270919 678417 812757 2487529 7462587 27362819 82088457