Base | Representation |
---|---|
bin | 1110110001001… |
… | …1010100100100 |
3 | 11022120010201212 |
4 | 3230103110210 |
5 | 111324220444 |
6 | 10051410552 |
7 | 1351345013 |
oct | 354232444 |
9 | 138503655 |
10 | 61945124 |
11 | 31a6a31a |
12 | 188b3a58 |
13 | caab427 |
14 | 8326a7a |
15 | 568919e |
hex | 3b13524 |
61945124 has 6 divisors (see below), whose sum is σ = 108403974. Its totient is φ = 30972560.
The previous prime is 61945123. The next prime is 61945129. The reversal of 61945124 is 42154916.
It can be written as a sum of positive squares in only one way, i.e., 61622500 + 322624 = 7850^2 + 568^2 .
It is not an unprimeable number, because it can be changed into a prime (61945123) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7743137 + ... + 7743144.
It is an arithmetic number, because the mean of its divisors is an integer number (18067329).
Almost surely, 261945124 is an apocalyptic number.
It is an amenable number.
61945124 is a deficient number, since it is larger than the sum of its proper divisors (46458850).
61945124 is a wasteful number, since it uses less digits than its factorization.
61945124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15486285 (or 15486283 counting only the distinct ones).
The product of its digits is 8640, while the sum is 32.
The square root of 61945124 is about 7870.5224731272. The cubic root of 61945124 is about 395.6723559301.
The spelling of 61945124 in words is "sixty-one million, nine hundred forty-five thousand, one hundred twenty-four".
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