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2012605 = 5757503
BaseRepresentation
bin111101011010110111101
310210020202221
413223112331
51003400410
6111045341
723051440
oct7532675
93706687
102012605
111155111
12810851
135560ba
143a5657
1529b4da
hex1eb5bd

2012605 has 8 divisors (see below), whose sum is σ = 2760192. Its totient is φ = 1380048.

The previous prime is 2012597. The next prime is 2012611. The reversal of 2012605 is 5062102.

It is a happy number.

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 2012605 - 23 = 2012597 is a prime.

It is a Duffinian number.

2012605 is a lucky number.

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28717 + ... + 28786.

It is an arithmetic number, because the mean of its divisors is an integer number (345024).

22012605 is an apocalyptic number.

It is an amenable number.

2012605 is a deficient number, since it is larger than the sum of its proper divisors (747587).

2012605 is an equidigital number, since it uses as much as digits as its factorization.

2012605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57515.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2012605 is about 1418.6631030657. The cubic root of 2012605 is about 126.2562392760.

Adding to 2012605 its reverse (5062102), we get a palindrome (7074707).

The spelling of 2012605 in words is "two million, twelve thousand, six hundred five".

Divisors: 1 5 7 35 57503 287515 402521 2012605