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8087401 = 72165049
BaseRepresentation
bin11110110110011101101001
3120012212211101
4132312131221
54032244101
6445201401
7125512300
oct36663551
916185741
108087401
114624203
122860261
1318a215a
141107437
15a9b401
hex7b6769

8087401 has 6 divisors (see below), whose sum is σ = 9407850. Its totient is φ = 6932016.

The previous prime is 8087389. The next prime is 8087413. The reversal of 8087401 is 1047808.

It is an interprime number because it is at equal distance from previous prime (8087389) and next prime (8087413).

It can be written as a sum of positive squares in only one way, i.e., 8037225 + 50176 = 2835^2 + 224^2 .

It is not a de Polignac number, because 8087401 - 29 = 8086889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8087401.

It is not an unprimeable number, because it can be changed into a prime (8082401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82476 + ... + 82573.

It is an arithmetic number, because the mean of its divisors is an integer number (1567975).

Almost surely, 28087401 is an apocalyptic number.

It is an amenable number.

8087401 is a deficient number, since it is larger than the sum of its proper divisors (1320449).

8087401 is a wasteful number, since it uses less digits than its factorization.

8087401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165063 (or 165056 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 8087401 is about 2843.8356140959. The cubic root of 8087401 is about 200.7257052413.

The spelling of 8087401 in words is "eight million, eighty-seven thousand, four hundred one".

Divisors: 1 7 49 165049 1155343 8087401