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2049078 = 231720089
BaseRepresentation
bin111110100010000110110
310212002210210
413310100312
51011032303
6111530250
723262663
oct7642066
93762723
102049078
11117a559
12829986
13569895
143b4a6a
152a7203
hex1f4436

2049078 has 16 divisors (see below), whose sum is σ = 4339440. Its totient is φ = 642816.

The previous prime is 2049077. The next prime is 2049083. The reversal of 2049078 is 8709402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9943 + ... + 10146.

It is an arithmetic number, because the mean of its divisors is an integer number (271215).

22049078 is an apocalyptic number.

2049078 is an abundant number, since it is smaller than the sum of its proper divisors (2290362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2049078 is a wasteful number, since it uses less digits than its factorization.

2049078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2049078 is about 1431.4600937504. The cubic root of 2049078 is about 127.0143617379.

The spelling of 2049078 in words is "two million, forty-nine thousand, seventy-eight".

Divisors: 1 2 3 6 17 34 51 102 20089 40178 60267 120534 341513 683026 1024539 2049078