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730036 = 22182509
BaseRepresentation
bin10110010001110110100
31101002102101
42302032310
5141330121
623351444
76130246
oct2621664
91332371
10730036
1145953a
122b2584
131c7398
14150096
15e6491
hexb23b4

730036 has 6 divisors (see below), whose sum is σ = 1277570. Its totient is φ = 365016.

The previous prime is 730033. The next prime is 730049. The reversal of 730036 is 630037.

It is a happy number.

730036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 532900 + 197136 = 730^2 + 444^2 .

It is a super-2 number, since 2×7300362 = 1065905122592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 729995 and 730022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91251 + ... + 91258.

2730036 is an apocalyptic number.

It is an amenable number.

730036 is a deficient number, since it is larger than the sum of its proper divisors (547534).

730036 is a wasteful number, since it uses less digits than its factorization.

730036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182513 (or 182511 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 730036 is about 854.4214416785. The cubic root of 730036 is about 90.0426135648.

Subtracting from 730036 its reverse (630037), we obtain a palindrome (99999).

The spelling of 730036 in words is "seven hundred thirty thousand, thirty-six".

Divisors: 1 2 4 182509 365018 730036