| Base | Representation |
|---|---|
| bin | 101000011001000… |
| … | …1111111110000000 |
| 3 | 10111110022220112000 |
| 4 | 1100302033332000 |
| 5 | 10233432144023 |
| 6 | 342253504000 |
| 7 | 45405166254 |
| oct | 12062177600 |
| 9 | 3443286460 |
| 10 | 1355349888 |
| 11 | 636072482 |
| 12 | 319aa2000 |
| 13 | 187a474a9 |
| 14 | cc00c264 |
| 15 | 7dec5243 |
| hex | 50c8ff80 |
1355349888 has 384 divisors, whose sum is σ = 4509216000. Its totient is φ = 399826944.
The previous prime is 1355349881. The next prime is 1355349889. The reversal of 1355349888 is 8889435531.
1355349888 is a `hidden beast` number, since 1 + 3 + 553 + 4 + 9 + 8 + 88 = 666.
It is a tau number, because it is divible by the number of its divisors (384).
It is a super-2 number, since 2×13553498882 = 3673946637803225088, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1355349881) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22972003 + ... + 22972061.
It is an arithmetic number, because the mean of its divisors is an integer number (11742750).
Almost surely, 21355349888 is an apocalyptic number.
1355349888 is a gapful number since it is divisible by the number (18) 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 1355349888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2254608000).
1355349888 is an abundant number, since it is smaller than the sum of its proper divisors (3153866112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1355349888 is a wasteful number, since it uses less digits than its factorization.
1355349888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139 (or 104 counting only the distinct ones).
The product of its digits is 4147200, while the sum is 54.
The square root of 1355349888 is about 36815.0769115046. The cubic root of 1355349888 is about 1106.6674627823.
The spelling of 1355349888 in words is "one billion, three hundred fifty-five million, three hundred forty-nine thousand, eight hundred eighty-eight".
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