Base | Representation |
---|---|
bin | 10111000100001… |
… | …10110010101000 |
3 | 111111002022111120 |
4 | 23202012302220 |
5 | 344013140323 |
6 | 31111055240 |
7 | 4536432021 |
oct | 1342066250 |
9 | 444068446 |
10 | 193490088 |
11 | 9a246a70 |
12 | 54971520 |
13 | 3111819c |
14 | 1b9a9c48 |
15 | 11ec05e3 |
hex | b886ca8 |
193490088 has 128 divisors (see below), whose sum is σ = 552960000. Its totient is φ = 55883520.
The previous prime is 193490047. The next prime is 193490113. The reversal of 193490088 is 880094391.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 972213 + ... + 972411.
It is an arithmetic number, because the mean of its divisors is an integer number (4320000).
Almost surely, 2193490088 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 193490088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276480000).
193490088 is an abundant number, since it is smaller than the sum of its proper divisors (359469912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193490088 is a wasteful number, since it uses less digits than its factorization.
193490088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 375 (or 371 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 193490088 is about 13910.0714591982. The cubic root of 193490088 is about 578.3883996839.
The spelling of 193490088 in words is "one hundred ninety-three million, four hundred ninety thousand, eighty-eight".
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