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2049485 = 5409897
BaseRepresentation
bin111110100010111001101
310212010100212
413310113031
51011040420
6111532205
723264114
oct7642715
93763325
102049485
11117a899
1282a065
13569b19
143b4c7b
152a73c5
hex1f45cd

2049485 has 4 divisors (see below), whose sum is σ = 2459388. Its totient is φ = 1639584.

The previous prime is 2049451. The next prime is 2049491. The reversal of 2049485 is 5849402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 426409 + 1623076 = 653^2 + 1274^2 .

It is a cyclic number.

It is not a de Polignac number, because 2049485 - 218 = 1787341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 204944 + ... + 204953.

It is an arithmetic number, because the mean of its divisors is an integer number (614847).

22049485 is an apocalyptic number.

It is an amenable number.

2049485 is a deficient number, since it is larger than the sum of its proper divisors (409903).

2049485 is an equidigital number, since it uses as much as digits as its factorization.

2049485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409902.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2049485 is about 1431.6022492299. The cubic root of 2049485 is about 127.0227706293.

The spelling of 2049485 in words is "two million, forty-nine thousand, four hundred eighty-five".

Divisors: 1 5 409897 2049485