Base | Representation |
---|---|
bin | 101100110101001… |
… | …011111101100000 |
3 | 1221102021200021210 |
4 | 230311023331200 |
5 | 3020021441003 |
6 | 202344550120 |
7 | 24432041235 |
oct | 5465137540 |
9 | 1842250253 |
10 | 752140128 |
11 | 356622013 |
12 | 18ba82340 |
13 | bca9693c |
14 | 71c6b78c |
15 | 46071503 |
hex | 2cd4bf60 |
752140128 has 48 divisors (see below), whose sum is σ = 1975926960. Its totient is φ = 250515456.
The previous prime is 752140079. The next prime is 752140139. The reversal of 752140128 is 821041257.
It is a tau number, because it is divible by the number of its divisors (48).
It is a junction number, because it is equal to n+sod(n) for n = 752140095 and 752140104.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168388 + ... + 172796.
It is an arithmetic number, because the mean of its divisors is an integer number (41165145).
Almost surely, 2752140128 is an apocalyptic number.
It is an amenable number.
752140128 is an abundant number, since it is smaller than the sum of its proper divisors (1223786832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
752140128 is a wasteful number, since it uses less digits than its factorization.
752140128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6199 (or 6191 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 30.
The square root of 752140128 is about 27425.1732537827. The cubic root of 752140128 is about 909.4236692035.
The spelling of 752140128 in words is "seven hundred fifty-two million, one hundred forty thousand, one hundred twenty-eight".
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