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228403104 = 25319125221
BaseRepresentation
bin11011001110100…
…10011110100000
3120220210002011020
431213102132200
5431432344404
634355245440
75442252156
oct1547223640
9526702136
10228403104
11107a226a6
12645a9880
1338420487
14224973d6
15150b9ed9
hexd9d27a0

228403104 has 48 divisors (see below), whose sum is σ = 631118880. Its totient is φ = 72126720.

The previous prime is 228403039. The next prime is 228403111. The reversal of 228403104 is 401304822.

228403104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60787 + ... + 64434.

It is an arithmetic number, because the mean of its divisors is an integer number (13148310).

Almost surely, 2228403104 is an apocalyptic number.

228403104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228403104 is an abundant number, since it is smaller than the sum of its proper divisors (402715776).

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

228403104 is a wasteful number, since it uses less digits than its factorization.

228403104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125253 (or 125245 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 228403104 is about 15113.0110831694. The cubic root of 228403104 is about 611.2712929547.

Adding to 228403104 its reverse (401304822), we get a palindrome (629707926).

The spelling of 228403104 in words is "two hundred twenty-eight million, four hundred three thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 456 608 912 1824 125221 250442 375663 500884 751326 1001768 1502652 2003536 2379199 3005304 4007072 4758398 6010608 7137597 9516796 12021216 14275194 19033592 28550388 38067184 57100776 76134368 114201552 228403104