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228890342 = 2234975877
BaseRepresentation
bin11011010010010…
…01011011100110
3120221200211112002
431221021123212
5432043442332
634413525302
75446351532
oct1551113346
9527624462
10228890342
1110822577a
12647a3832
1338561195
1422582bc2
1515164562
hexda496e6

228890342 has 8 divisors (see below), whose sum is σ = 358263216. Its totient is φ = 109469272.

The previous prime is 228890339. The next prime is 228890353. The reversal of 228890342 is 243098822.

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

It is a junction number, because it is equal to n+sod(n) for n = 228890296 and 228890305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2487893 + ... + 2487984.

It is an arithmetic number, because the mean of its divisors is an integer number (44782902).

Almost surely, 2228890342 is an apocalyptic number.

228890342 is a deficient number, since it is larger than the sum of its proper divisors (129372874).

228890342 is a wasteful number, since it uses less digits than its factorization.

228890342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975902.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 228890342 is about 15129.1223142653. The cubic root of 228890342 is about 611.7056464635.

The spelling of 228890342 in words is "two hundred twenty-eight million, eight hundred ninety thousand, three hundred forty-two".

Divisors: 1 2 23 46 4975877 9951754 114445171 228890342