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82087401 = 3112487497
BaseRepresentation
bin1001110010010…
…00110111101001
312201110110202010
410321020313221
5132003244101
612051230133
72014505604
oct471106751
9181413663
1082087401
1142377530
12235a8349
1314011536
14ac8b33b
1573172d6
hex4e48de9

82087401 has 8 divisors (see below), whose sum is σ = 119399904. Its totient is φ = 49749920.

The previous prime is 82087363. The next prime is 82087403. The reversal of 82087401 is 10478028.

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

It is not a de Polignac number, because 82087401 - 26 = 82087337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82087403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243716 + ... + 1243781.

It is an arithmetic number, because the mean of its divisors is an integer number (14924988).

Almost surely, 282087401 is an apocalyptic number.

It is an amenable number.

82087401 is a deficient number, since it is larger than the sum of its proper divisors (37312503).

82087401 is a wasteful number, since it uses less digits than its factorization.

82087401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487511.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 82087401 is about 9060.2097657836. The cubic root of 82087401 is about 434.6024482512.

The spelling of 82087401 in words is "eighty-two million, eighty-seven thousand, four hundred one".

Divisors: 1 3 11 33 2487497 7462491 27362467 82087401