Base | Representation |
---|---|
bin | 101100011011001… |
… | …111100000000000 |
3 | 1220221111010201201 |
4 | 230123033200000 |
5 | 3011301321010 |
6 | 201543110544 |
7 | 24320163436 |
oct | 5433174000 |
9 | 1827433651 |
10 | 745338880 |
11 | 3527a7150 |
12 | 189742454 |
13 | bb555030 |
14 | 70dbad56 |
15 | 4567b23a |
hex | 2c6cf800 |
745338880 has 192 divisors, whose sum is σ = 2105157600. Its totient is φ = 249692160.
The previous prime is 745338863. The next prime is 745338883. The reversal of 745338880 is 88833547.
It is a super-3 number, since 3×7453388803 (a number of 28 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 745338880.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (745338883) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1464066 + ... + 1464574.
Almost surely, 2745338880 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 745338880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052578800).
745338880 is an abundant number, since it is smaller than the sum of its proper divisors (1359818720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
745338880 is a wasteful number, since it uses less digits than its factorization.
745338880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 560 (or 540 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 46.
The square root of 745338880 is about 27300.8952234171. The cubic root of 745338880 is about 906.6742021673.
The spelling of 745338880 in words is "seven hundred forty-five million, three hundred thirty-eight thousand, eight hundred eighty".
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