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2148037 = 5340529
BaseRepresentation
bin1000001100011011000101
311001010112221
420030123011
51022214122
6114012341
724154333
oct10143305
94033487
102148037
111237941
128770b1
135a2938
143dcb53
152c66c7
hex20c6c5

2148037 has 4 divisors (see below), whose sum is σ = 2188620. Its totient is φ = 2107456.

The previous prime is 2148019. The next prime is 2148043. The reversal of 2148037 is 7308412.

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 1833316 + 314721 = 1354^2 + 561^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148037 - 27 = 2147909 is a prime.

It is a super-2 number, since 2×21480372 = 9228125906738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20212 + ... + 20317.

It is an arithmetic number, because the mean of its divisors is an integer number (547155).

22148037 is an apocalyptic number.

It is an amenable number.

2148037 is a deficient number, since it is larger than the sum of its proper divisors (40583).

2148037 is an equidigital number, since it uses as much as digits as its factorization.

2148037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40582.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2148037 is about 1465.6182995582. The cubic root of 2148037 is about 129.0269959326.

The spelling of 2148037 in words is "two million, one hundred forty-eight thousand, thirty-seven".

Divisors: 1 53 40529 2148037