Base | Representation |
---|---|
bin | 101100100010100… |
… | …010000111011101 |
3 | 1221002002020111011 |
4 | 230202202013131 |
5 | 3012244001031 |
6 | 202052055221 |
7 | 24342343561 |
oct | 5442420735 |
9 | 1832066434 |
10 | 747250141 |
11 | 353892100 |
12 | 18a304511 |
13 | bba73c61 |
14 | 713576a1 |
15 | 459076b1 |
hex | 2c8a21dd |
747250141 has 12 divisors (see below), whose sum is σ = 830598300. Its totient is φ = 671675840.
The previous prime is 747250139. The next prime is 747250169. The reversal of 747250141 is 141052747.
It can be written as a sum of positive squares in 2 ways, for example, as 303979225 + 443270916 = 17435^2 + 21054^2 .
It is not a de Polignac number, because 747250141 - 21 = 747250139 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (747250111) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23926 + ... + 45463.
It is an arithmetic number, because the mean of its divisors is an integer number (69216525).
Almost surely, 2747250141 is an apocalyptic number.
It is an amenable number.
747250141 is a deficient number, since it is larger than the sum of its proper divisors (83348159).
747250141 is a wasteful number, since it uses less digits than its factorization.
747250141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69500 (or 69489 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 31.
The square root of 747250141 is about 27335.8764447018. The cubic root of 747250141 is about 907.4485309041.
The spelling of 747250141 in words is "seven hundred forty-seven million, two hundred fifty thousand, one hundred forty-one".
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