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2278051 = 171031301
BaseRepresentation
bin1000101100001010100011
311021201220021
420230022203
51040344201
6120454311
725235356
oct10541243
94251807
102278051
111316596
1291a397
13619b79
1443429d
152eeea1
hex22c2a3

2278051 has 8 divisors (see below), whose sum is σ = 2437344. Its totient is φ = 2121600.

The previous prime is 2278033. The next prime is 2278063. The reversal of 2278051 is 1508722.

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

It is not a de Polignac number, because 2278051 - 25 = 2278019 is a prime.

It is a Duffinian number.

2278051 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278021) 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, 1101 + ... + 2401.

It is an arithmetic number, because the mean of its divisors is an integer number (304668).

22278051 is an apocalyptic number.

2278051 is a deficient number, since it is larger than the sum of its proper divisors (159293).

2278051 is a wasteful number, since it uses less digits than its factorization.

2278051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2278051 is about 1509.3213706829. The cubic root of 2278051 is about 131.5793734976.

The spelling of 2278051 in words is "two million, two hundred seventy-eight thousand, fifty-one".

Divisors: 1 17 103 1301 1751 22117 134003 2278051