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2131017 = 37101477
BaseRepresentation
bin1000001000010001001001
311000021012120
420020101021
51021143032
6113401453
724053610
oct10102111
94007176
102131017
111226079
12869289
13597c75
143d6877
152c162c
hex208449

2131017 has 8 divisors (see below), whose sum is σ = 3247296. Its totient is φ = 1217712.

The previous prime is 2131013. The next prime is 2131039. The reversal of 2131017 is 7101312.

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

It is not a de Polignac number, because 2131017 - 22 = 2131013 is a prime.

2131017 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2130987 and 2131005.

It is not an unprimeable number, because it can be changed into a prime (2131013) 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, 50718 + ... + 50759.

It is an arithmetic number, because the mean of its divisors is an integer number (405912).

22131017 is an apocalyptic number.

It is an amenable number.

2131017 is a deficient number, since it is larger than the sum of its proper divisors (1116279).

2131017 is a wasteful number, since it uses less digits than its factorization.

2131017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101487.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 2131017 is about 1459.8003288121. The cubic root of 2131017 is about 128.6853095069.

Adding to 2131017 its reverse (7101312), we get a palindrome (9232329).

The spelling of 2131017 in words is "two million, one hundred thirty-one thousand, seventeen".

Divisors: 1 3 7 21 101477 304431 710339 2131017