Search a number
-
+
2149017 = 31355103
BaseRepresentation
bin1000001100101010011001
311001011220020
420030222121
51022232032
6114021053
724160233
oct10145231
94034806
102149017
111238652
12877789
135a3210
143dd253
152c6b2c
hex20ca99

2149017 has 8 divisors (see below), whose sum is σ = 3085824. Its totient is φ = 1322448.

The previous prime is 2149003. The next prime is 2149031. The reversal of 2149017 is 7109412.

It is an interprime number because it is at equal distance from previous prime (2149003) and next prime (2149031).

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

It is not a de Polignac number, because 2149017 - 28 = 2148761 is a prime.

It is an Ulam number.

2149017 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2149057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27513 + ... + 27590.

It is an arithmetic number, because the mean of its divisors is an integer number (385728).

22149017 is an apocalyptic number.

It is an amenable number.

2149017 is a deficient number, since it is larger than the sum of its proper divisors (936807).

2149017 is a wasteful number, since it uses less digits than its factorization.

2149017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55119.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 2149017 is about 1465.9525913207. The cubic root of 2149017 is about 129.0466149663.

The spelling of 2149017 in words is "two million, one hundred forty-nine thousand, seventeen".

Divisors: 1 3 13 39 55103 165309 716339 2149017