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2286157 = 29312543
BaseRepresentation
bin1000101110001001001101
311022011000111
420232021031
51041124112
6121000021
725301116
oct10561115
94264014
102286157
111321695
12923011
13620773
1443720d
153025a7
hex22e24d

2286157 has 8 divisors (see below), whose sum is σ = 2442240. Its totient is φ = 2135280.

The previous prime is 2286149. The next prime is 2286169. The reversal of 2286157 is 7516822.

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

It is not a de Polignac number, because 2286157 - 23 = 2286149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286187) 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, 373 + ... + 2170.

It is an arithmetic number, because the mean of its divisors is an integer number (305280).

22286157 is an apocalyptic number.

It is an amenable number.

2286157 is a deficient number, since it is larger than the sum of its proper divisors (156083).

2286157 is a wasteful number, since it uses less digits than its factorization.

2286157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603.

The product of its digits is 6720, while the sum is 31.

The square root of 2286157 is about 1512.0042989357. The cubic root of 2286157 is about 131.7352552610.

The spelling of 2286157 in words is "two million, two hundred eighty-six thousand, one hundred fifty-seven".

Divisors: 1 29 31 899 2543 73747 78833 2286157