Base | Representation |
---|---|
bin | 1110110001010… |
… | …0001000111000 |
3 | 11022120022022212 |
4 | 3230110020320 |
5 | 111324322342 |
6 | 10051434252 |
7 | 1351360535 |
oct | 354241070 |
9 | 138508285 |
10 | 61948472 |
11 | 31a71893 |
12 | 188b5988 |
13 | caacb01 |
14 | 8327d8c |
15 | 568a182 |
hex | 3b14238 |
61948472 has 8 divisors (see below), whose sum is σ = 116153400. Its totient is φ = 30974232.
The previous prime is 61948433. The next prime is 61948477. The reversal of 61948472 is 27484916.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×619484722 = 7675226366269568, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61948477) by changing a digit.
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 as a sum of consecutive naturals, namely, 3871772 + ... + 3871787.
It is an arithmetic number, because the mean of its divisors is an integer number (14519175).
Almost surely, 261948472 is an apocalyptic number.
It is an amenable number.
61948472 is a deficient number, since it is larger than the sum of its proper divisors (54204928).
61948472 is a wasteful number, since it uses less digits than its factorization.
61948472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7743565 (or 7743561 counting only the distinct ones).
The product of its digits is 96768, while the sum is 41.
The square root of 61948472 is about 7870.7351626135. The cubic root of 61948472 is about 395.6794842134.
The spelling of 61948472 in words is "sixty-one million, nine hundred forty-eight thousand, four hundred seventy-two".
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