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807404 = 221315527
BaseRepresentation
bin11000101000111101100
31112000112212
43011013230
5201314104
625145552
76601643
oct3050754
91460485
10807404
11501684
1232b2b8
13223670
1417035a
1510e36e
hexc51ec

807404 has 12 divisors (see below), whose sum is σ = 1521744. Its totient is φ = 372624.

The previous prime is 807403. The next prime is 807407. The reversal of 807404 is 404708.

807404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 807404.

It is not an unprimeable number, because it can be changed into a prime (807403) 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, 7712 + ... + 7815.

It is an arithmetic number, because the mean of its divisors is an integer number (126812).

2807404 is an apocalyptic number.

It is an amenable number.

807404 is a deficient number, since it is larger than the sum of its proper divisors (714340).

807404 is a wasteful number, since it uses less digits than its factorization.

807404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15544 (or 15542 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 807404 is about 898.5566203640. The cubic root of 807404 is about 93.1172837172.

It can be divided in two parts, 807 and 404, that multiplied together give a triangular number (326028 = T807).

The spelling of 807404 in words is "eight hundred seven thousand, four hundred four".

Divisors: 1 2 4 13 26 52 15527 31054 62108 201851 403702 807404