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37012013 = 77347881
BaseRepresentation
bin1000110100110…
…0001000101101
32120122101221022
42031030020231
533433341023
63401143525
7626411513
oct215141055
976571838
1037012013
111998a745
121048aba5
13788b7cc
144cb64b3
1533b17c8
hex234c22d

37012013 has 4 divisors (see below), whose sum is σ = 37060668. Its totient is φ = 36963360.

The previous prime is 37011977. The next prime is 37012021. The reversal of 37012013 is 31021073.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17280649 + 19731364 = 4157^2 + 4442^2 .

It is a cyclic number.

It is not a de Polignac number, because 37012013 - 216 = 36946477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37011982 and 37012000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37042013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23168 + ... + 24713.

It is an arithmetic number, because the mean of its divisors is an integer number (9265167).

Almost surely, 237012013 is an apocalyptic number.

It is an amenable number.

37012013 is a deficient number, since it is larger than the sum of its proper divisors (48655).

37012013 is an equidigital number, since it uses as much as digits as its factorization.

37012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48654.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 37012013 is about 6083.7499126772. The cubic root of 37012013 is about 333.2582443084.

Adding to 37012013 its reverse (31021073), we get a palindrome (68033086).

The spelling of 37012013 in words is "thirty-seven million, twelve thousand, thirteen".

Divisors: 1 773 47881 37012013