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229493628 = 2233713191229
BaseRepresentation
bin11011010110111…
…00101101111100
3120222211111002000
431223130231330
5432222244003
634434502300
75454443430
oct1553345574
9528744060
10229493628
111085a7a61
1264a34990
1338712960
142269c9c0
15152331a3
hexdadcb7c

229493628 has 192 divisors, whose sum is σ = 771456000. Its totient is φ = 57293568.

The previous prime is 229493611. The next prime is 229493639. The reversal of 229493628 is 826394922.

229493628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 186118 + ... + 187346.

It is an arithmetic number, because the mean of its divisors is an integer number (4018000).

Almost surely, 2229493628 is an apocalyptic number.

229493628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229493628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385728000).

229493628 is an abundant number, since it is smaller than the sum of its proper divisors (541962372).

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

229493628 is a wasteful number, since it uses less digits than its factorization.

229493628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1273 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 229493628 is about 15149.0470987452. The cubic root of 229493628 is about 612.2425989375.

The spelling of 229493628 in words is "two hundred twenty-nine million, four hundred ninety-three thousand, six hundred twenty-eight".