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4155073 = 131372333
BaseRepresentation
bin1111110110011011000001
321211002200121
433312123001
52030430243
6225020241
750213626
oct17663301
97732617
104155073
11238884a
121484681
13b26330
147a234d
155711ed
hex3f66c1

4155073 has 8 divisors (see below), whose sum is σ = 4509288. Its totient is φ = 3805824.

The previous prime is 4155061. The next prime is 4155077. The reversal of 4155073 is 3705514.

It can be written as a sum of positive squares in 4 ways, for example, as 106929 + 4048144 = 327^2 + 2012^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4155073 - 29 = 4154561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4155077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615 + ... + 2947.

It is an arithmetic number, because the mean of its divisors is an integer number (563661).

Almost surely, 24155073 is an apocalyptic number.

It is an amenable number.

4155073 is a deficient number, since it is larger than the sum of its proper divisors (354215).

4155073 is a wasteful number, since it uses less digits than its factorization.

4155073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 4155073 is about 2038.3996173469. The cubic root of 4155073 is about 160.7655112992.

The spelling of 4155073 in words is "four million, one hundred fifty-five thousand, seventy-three".

Divisors: 1 13 137 1781 2333 30329 319621 4155073