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7086404 = 2213136277
BaseRepresentation
bin11011000010000101000100
3111100000201102
4123002011010
53303231104
6411515232
7114143033
oct33020504
914300642
107086404
114000136
122458b18
131611650
14d2671a
1594ea1e
hex6c2144

7086404 has 12 divisors (see below), whose sum is σ = 13355244. Its totient is φ = 3270624.

The previous prime is 7086397. The next prime is 7086407. The reversal of 7086404 is 4046807.

It can be written as a sum of positive squares in 2 ways, for example, as 3276100 + 3810304 = 1810^2 + 1952^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7086407) 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, 68087 + ... + 68190.

It is an arithmetic number, because the mean of its divisors is an integer number (1112937).

Almost surely, 27086404 is an apocalyptic number.

It is an amenable number.

7086404 is a deficient number, since it is larger than the sum of its proper divisors (6268840).

7086404 is a wasteful number, since it uses less digits than its factorization.

7086404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136294 (or 136292 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 7086404 is about 2662.0300524224. The cubic root of 7086404 is about 192.0769728990.

The spelling of 7086404 in words is "seven million, eighty-six thousand, four hundred four".

Divisors: 1 2 4 13 26 52 136277 272554 545108 1771601 3543202 7086404