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2009137 = 13374177
BaseRepresentation
bin111101010100000110001
310210002000111
413222200301
51003243022
6111021321
723035354
oct7524061
93702014
102009137
111152549
1280a841
13554650
143a429b
1529a477
hex1ea831

2009137 has 8 divisors (see below), whose sum is σ = 2222696. Its totient is φ = 1804032.

The previous prime is 2009113. The next prime is 2009167. The reversal of 2009137 is 7319002.

It can be written as a sum of positive squares in 4 ways, for example, as 790321 + 1218816 = 889^2 + 1104^2 .

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 2009137 - 219 = 1484849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009107) 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, 1608 + ... + 2569.

It is an arithmetic number, because the mean of its divisors is an integer number (277837).

22009137 is an apocalyptic number.

It is an amenable number.

2009137 is a deficient number, since it is larger than the sum of its proper divisors (213559).

2009137 is a wasteful number, since it uses less digits than its factorization.

2009137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 2009137 is about 1417.4402985664. The cubic root of 2009137 is about 126.1836785276.

The spelling of 2009137 in words is "two million, nine thousand, one hundred thirty-seven".

Divisors: 1 13 37 481 4177 54301 154549 2009137