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228103941 = 3135848819
BaseRepresentation
bin11011001100010…
…01011100000101
3120220012212210010
431212021130011
5431343311231
634345020433
75436565032
oct1546113405
9526185703
10228103941
1110783895a
1264484719
1338347260
142241a389
151505b546
hexd989705

228103941 has 8 divisors (see below), whose sum is σ = 327533920. Its totient is φ = 140371632.

The previous prime is 228103907. The next prime is 228103969. The reversal of 228103941 is 149301822.

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

It is not a de Polignac number, because 228103941 - 29 = 228103429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228103899 and 228103908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228104941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2924371 + ... + 2924448.

It is an arithmetic number, because the mean of its divisors is an integer number (40941740).

Almost surely, 2228103941 is an apocalyptic number.

It is an amenable number.

228103941 is a deficient number, since it is larger than the sum of its proper divisors (99429979).

228103941 is a wasteful number, since it uses less digits than its factorization.

228103941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848835.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 228103941 is about 15103.1103088073. The cubic root of 228103941 is about 611.0042947546.

The spelling of 228103941 in words is "two hundred twenty-eight million, one hundred three thousand, nine hundred forty-one".

Divisors: 1 3 13 39 5848819 17546457 76034647 228103941