Base | Representation |
---|---|
bin | 1110110001010… |
… | …0001000101100 |
3 | 11022120022022102 |
4 | 3230110020230 |
5 | 111324322320 |
6 | 10051434232 |
7 | 1351360520 |
oct | 354241054 |
9 | 138508272 |
10 | 61948460 |
11 | 31a71882 |
12 | 188b5978 |
13 | caacac2 |
14 | 8327d80 |
15 | 568a175 |
hex | 3b1422c |
61948460 has 24 divisors (see below), whose sum is σ = 148676640. Its totient is φ = 21239424.
The previous prime is 61948433. The next prime is 61948477. The reversal of 61948460 is 6484916.
It is a super-2 number, since 2×619484602 = 7675223392743200, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221105 + ... + 221384.
It is an arithmetic number, because the mean of its divisors is an integer number (6194860).
Almost surely, 261948460 is an apocalyptic number.
It is an amenable number.
61948460 is an abundant number, since it is smaller than the sum of its proper divisors (86728180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61948460 is a wasteful number, since it uses less digits than its factorization.
61948460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 442505 (or 442503 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 38.
The square root of 61948460 is about 7870.7344002958. The cubic root of 61948460 is about 395.6794586645.
The spelling of 61948460 in words is "sixty-one million, nine hundred forty-eight thousand, four hundred sixty".
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