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228453488 = 2420177079
BaseRepresentation
bin11011001110111…
…10110001110000
3120220212122021022
431213132301300
5431441002423
634400315012
75442552104
oct1547366160
9526778238
10228453488
11107a5753a
1264612a68
133843a3a3
14224ab904
15150c9dc8
hexd9dec70

228453488 has 20 divisors (see below), whose sum is σ = 442910640. Its totient is φ = 114153984.

The previous prime is 228453469. The next prime is 228453499. The reversal of 228453488 is 884354822.

It is a super-2 number, since 2×2284534882 = 104381992358732288, which contains 22 as substring.

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, 28733 + ... + 35811.

It is an arithmetic number, because the mean of its divisors is an integer number (22145532).

Almost surely, 2228453488 is an apocalyptic number.

It is an amenable number.

228453488 is a deficient number, since it is larger than the sum of its proper divisors (214457152).

228453488 is a wasteful number, since it uses less digits than its factorization.

228453488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9104 (or 9098 counting only the distinct ones).

The product of its digits is 491520, while the sum is 44.

The square root of 228453488 is about 15114.6778993136. The cubic root of 228453488 is about 611.3162369273.

The spelling of 228453488 in words is "two hundred twenty-eight million, four hundred fifty-three thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 2017 4034 7079 8068 14158 16136 28316 32272 56632 113264 14278343 28556686 57113372 114226744 228453488