Base | Representation |
---|---|
bin | 1110110001100… |
… | …1111100011100 |
3 | 11022121111221121 |
4 | 3230121330130 |
5 | 111331103002 |
6 | 10052140324 |
7 | 1351520056 |
oct | 354317434 |
9 | 138544847 |
10 | 61972252 |
11 | 31a88741 |
12 | 189076a4 |
13 | caba894 |
14 | 83328d6 |
15 | 5692237 |
hex | 3b19f1c |
61972252 has 12 divisors (see below), whose sum is σ = 108568656. Its totient is φ = 30952640.
The previous prime is 61972249. The next prime is 61972271. The reversal of 61972252 is 25227916.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3949 + ... + 11812.
It is an arithmetic number, because the mean of its divisors is an integer number (9047388).
Almost surely, 261972252 is an apocalyptic number.
It is an amenable number.
61972252 is a deficient number, since it is larger than the sum of its proper divisors (46596404).
61972252 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (61972251) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (16746).
61972252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16748 (or 16746 counting only the distinct ones).
The product of its digits is 15120, while the sum is 34.
The square root of 61972252 is about 7872.2456770606. The cubic root of 61972252 is about 395.7301072238.
The spelling of 61972252 in words is "sixty-one million, nine hundred seventy-two thousand, two hundred fifty-two".
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