Base | Representation |
---|---|
bin | 101100011101101… |
… | …101101111000000 |
3 | 1220222201001210110 |
4 | 230131231233000 |
5 | 3011433041013 |
6 | 202005031320 |
7 | 24325533144 |
oct | 5435555700 |
9 | 1828631713 |
10 | 745987008 |
11 | 3530aa098 |
12 | 1899b5540 |
13 | bb721040 |
14 | 71109224 |
15 | 457582c3 |
hex | 2c76dbc0 |
745987008 has 112 divisors (see below), whose sum is σ = 2171151360. Its totient is φ = 224615424.
The previous prime is 745987003. The next prime is 745987027. The reversal of 745987008 is 800789547.
It is a super-2 number, since 2×7459870082 = 1112993232209584128, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (745987001) 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, 114133 + ... + 120491.
It is an arithmetic number, because the mean of its divisors is an integer number (19385280).
Almost surely, 2745987008 is an apocalyptic number.
745987008 is a gapful number since it is divisible by the number (78) 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 745987008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085575680).
745987008 is an abundant number, since it is smaller than the sum of its proper divisors (1425164352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
745987008 is a wasteful number, since it uses less digits than its factorization.
745987008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6434 (or 6424 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 48.
The square root of 745987008 is about 27312.7627310018. The cubic root of 745987008 is about 906.9369330774.
The spelling of 745987008 in words is "seven hundred forty-five million, nine hundred eighty-seven thousand, eight".
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