Base | Representation |
---|---|
bin | 101100101100101… |
… | …000101010001100 |
3 | 1221021001210012002 |
4 | 230230220222030 |
5 | 3013433222010 |
6 | 202224531432 |
7 | 24404013440 |
oct | 5454505214 |
9 | 1837053162 |
10 | 749898380 |
11 | 355330830 |
12 | 18b180b78 |
13 | bc49046a |
14 | 71846820 |
15 | 45c7c1a5 |
hex | 2cb28a8c |
749898380 has 48 divisors (see below), whose sum is σ = 1963374336. Its totient is φ = 233734080.
The previous prime is 749898361. The next prime is 749898421. The reversal of 749898380 is 83898947.
It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241934 + ... + 245013.
It is an arithmetic number, because the mean of its divisors is an integer number (40903632).
Almost surely, 2749898380 is an apocalyptic number.
749898380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
749898380 is an abundant number, since it is smaller than the sum of its proper divisors (1213475956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
749898380 is a wasteful number, since it uses less digits than its factorization.
749898380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 486974 (or 486972 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 56.
The square root of 749898380 is about 27384.2724935318. The cubic root of 749898380 is about 908.5192599416.
The spelling of 749898380 in words is "seven hundred forty-nine million, eight hundred ninety-eight thousand, three hundred eighty".
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