Search a number
-
+
228783342 = 2338130557
BaseRepresentation
bin11011010001011…
…11010011101110
3120221111101202010
431220233103232
5432032031332
634411342050
75445424554
oct1550572356
9527441663
10228783342
11108162347
1264751926
1338524578
1422555bd4
15151429cc
hexda2f4ee

228783342 has 8 divisors (see below), whose sum is σ = 457566696. Its totient is φ = 76261112.

The previous prime is 228783341. The next prime is 228783343. The reversal of 228783342 is 243387822.

It is an interprime number because it is at equal distance from previous prime (228783341) and next prime (228783343).

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

228783342 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 228783342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228783341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19065273 + ... + 19065284.

It is an arithmetic number, because the mean of its divisors is an integer number (57195837).

Almost surely, 2228783342 is an apocalyptic number.

228783342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228783342 is a wasteful number, since it uses less digits than its factorization.

228783342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38130562.

The product of its digits is 129024, while the sum is 39.

The square root of 228783342 is about 15125.5856746111. The cubic root of 228783342 is about 611.6103130310.

The spelling of 228783342 in words is "two hundred twenty-eight million, seven hundred eighty-three thousand, three hundred forty-two".

Divisors: 1 2 3 6 38130557 76261114 114391671 228783342