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807530 = 25233511
BaseRepresentation
bin11000101001001101010
31112000201112
43011021222
5201320110
625150322
76602213
oct3051152
91460645
10807530
11501789
1232b3a2
13223739
1417040a
1510e405
hexc526a

807530 has 16 divisors (see below), whose sum is σ = 1517184. Its totient is φ = 308880.

The previous prime is 807523. The next prime is 807539. The reversal of 807530 is 35708.

It is a super-3 number, since 3×8075303 = 1579782327353331000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 807496 and 807505.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 807530.

It is not an unprimeable number, because it can be changed into a prime (807539) 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, 1526 + ... + 1985.

It is an arithmetic number, because the mean of its divisors is an integer number (94824).

2807530 is an apocalyptic number.

807530 is a deficient number, since it is larger than the sum of its proper divisors (709654).

807530 is a wasteful number, since it uses less digits than its factorization.

807530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 807530 is about 898.6267300721. The cubic root of 807530 is about 93.1221272930.

The spelling of 807530 in words is "eight hundred seven thousand, five hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 3511 7022 17555 35110 80753 161506 403765 807530