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730808 = 23137027
BaseRepresentation
bin10110010011010111000
31101010110222
42302122320
5141341213
623355212
76132431
oct2623270
91333428
10730808
1145a081
122b2b08
131c7840
14150488
15e6808
hexb26b8

730808 has 16 divisors (see below), whose sum is σ = 1475880. Its totient is φ = 337248.

The previous prime is 730799. The next prime is 730811. The reversal of 730808 is 808037.

730808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3410 + ... + 3617.

2730808 is an apocalyptic number.

It is an amenable number.

730808 is an abundant number, since it is smaller than the sum of its proper divisors (745072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730808 is a wasteful number, since it uses less digits than its factorization.

730808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046 (or 7042 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 730808 is about 854.8730899964. The cubic root of 730808 is about 90.0743418673.

The spelling of 730808 in words is "seven hundred thirty thousand, eight hundred eight".

Divisors: 1 2 4 8 13 26 52 104 7027 14054 28108 56216 91351 182702 365404 730808