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30037 = 72613

30037 has 6 divisors (see below), whose sum is σ = 34998. Its totient is φ = 25704.

The previous prime is 30029. The next prime is 30047. The reversal of 30037 is 73003.

It can be written as a sum of positive squares in only one way, i.e., 15876 + 14161 = 126^2 + 119^2 .

It is not a de Polignac number, because 30037 - 23 = 30029 is a prime.

It is a Duffinian number.

30037 is a modest number, since divided by 37 gives 30 as remainder.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 29999 and 30026.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30037.

It is not an unprimeable number, because it can be changed into a prime (30047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258 + ... + 355.

It is an arithmetic number, because the mean of its divisors is an integer number (5833).

230037 is an apocalyptic number.

It is an amenable number.

30037 is a deficient number, since it is larger than the sum of its proper divisors (4961).

30037 is an equidigital number, since it uses as much as digits as its factorization.

30037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 13.

The square root of 30037 is about 173.3118576440. The cubic root of 30037 is about 31.0850939896.

The spelling of 30037 in words is "thirty thousand, thirty-seven".

Divisors: 1 7 49 613 4291 30037