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1228814184 = 2331337310559
BaseRepresentation
bin100100100111110…
…0011011101101000
310011122020020011110
41021033203131220
510004034023214
6321533430320
742310514433
oct11117433550
93148206143
101228814184
115806a7314
122a363b3a0
131677727b0
14b92b081a
1572d2d159
hex493e3768

1228814184 has 64 divisors (see below), whose sum is σ = 3317529600. Its totient is φ = 377047296.

The previous prime is 1228814173. The next prime is 1228814219. The reversal of 1228814184 is 4814188221.

1228814184 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111097 + ... + 121655.

It is an arithmetic number, because the mean of its divisors is an integer number (51836400).

Almost surely, 21228814184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1228814184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658764800).

1228814184 is an abundant number, since it is smaller than the sum of its proper divisors (2088715416).

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

1228814184 is a wasteful number, since it uses less digits than its factorization.

1228814184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10954 (or 10950 counting only the distinct ones).

The product of its digits is 32768, while the sum is 39.

The square root of 1228814184 is about 35054.4459947665. The cubic root of 1228814184 is about 1071.0968413122.

The spelling of 1228814184 in words is "one billion, two hundred twenty-eight million, eight hundred fourteen thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 373 746 1119 1492 2238 2984 4476 4849 8952 9698 10559 14547 19396 21118 29094 31677 38792 42236 58188 63354 84472 116376 126708 137267 253416 274534 411801 549068 823602 1098136 1647204 3294408 3938507 7877014 11815521 15754028 23631042 31508056 47262084 51200591 94524168 102401182 153601773 204802364 307203546 409604728 614407092 1228814184