Base | Representation |
---|---|
bin | 101100001110101… |
… | …111011100111000 |
3 | 1220201022122112100 |
4 | 230032233130320 |
5 | 3004431440010 |
6 | 201344543400 |
7 | 24250264500 |
oct | 5416573470 |
9 | 1821278470 |
10 | 742061880 |
11 | 35096908a |
12 | 188621b60 |
13 | ba978591 |
14 | 707a6a00 |
15 | 452302c0 |
hex | 2c3af738 |
742061880 has 576 divisors, whose sum is σ = 3073075200. Its totient is φ = 154344960.
The previous prime is 742061839. The next prime is 742061923. The reversal of 742061880 is 88160247.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 12577291 + ... + 12577349.
It is an arithmetic number, because the mean of its divisors is an integer number (5335200).
Almost surely, 2742061880 is an apocalyptic number.
742061880 is a gapful number since it is divisible by the number (70) 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 742061880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536537600).
742061880 is an abundant number, since it is smaller than the sum of its proper divisors (2331013320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
742061880 is a wasteful number, since it uses less digits than its factorization.
742061880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144 (or 130 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 742061880 is about 27240.8127632051. The cubic root of 742061880 is about 905.3434712673.
The spelling of 742061880 in words is "seven hundred forty-two million, sixty-one thousand, eight hundred eighty".
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