Base | Representation |
---|---|
bin | 101101011000101… |
… | …000111010110100 |
3 | 1222001202211210010 |
4 | 231120220322310 |
5 | 3024411340110 |
6 | 203320100220 |
7 | 24604036362 |
oct | 5530507264 |
9 | 1861684703 |
10 | 761433780 |
11 | 36089a518 |
12 | 193004670 |
13 | c199bb43 |
14 | 731aa632 |
15 | 46caa020 |
hex | 2d628eb4 |
761433780 has 96 divisors (see below), whose sum is σ = 2214051840. Its totient is φ = 195315840.
The previous prime is 761433769. The next prime is 761433787. The reversal of 761433780 is 87334167.
761433780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (761433787) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331797 + ... + 334083.
It is an arithmetic number, because the mean of its divisors is an integer number (23063040).
Almost surely, 2761433780 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 761433780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107025920).
761433780 is an abundant number, since it is smaller than the sum of its proper divisors (1452618060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
761433780 is a wasteful number, since it uses less digits than its factorization.
761433780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2509 (or 2507 counting only the distinct ones).
The product of its (nonzero) digits is 84672, while the sum is 39.
The square root of 761433780 is about 27594.0895845469. The cubic root of 761433780 is about 913.1540436370.
The spelling of 761433780 in words is "seven hundred sixty-one million, four hundred thirty-three thousand, seven hundred eighty".
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