Base | Representation |
---|---|
bin | 1110101110110… |
… | …0011110110000 |
3 | 11022021001111120 |
4 | 3223230132300 |
5 | 111304123112 |
6 | 10044142240 |
7 | 1350113130 |
oct | 353543660 |
9 | 138231446 |
10 | 61786032 |
11 | 31970840 |
12 | 18837980 |
13 | ca53ba9 |
14 | 82c4ac0 |
15 | 5656e8c |
hex | 3aec7b0 |
61786032 has 160 divisors (see below), whose sum is σ = 202606080. Its totient is φ = 15759360.
The previous prime is 61786009. The next prime is 61786051. The reversal of 61786032 is 23068716.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 61785984 and 61786002.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269694 + ... + 269922.
It is an arithmetic number, because the mean of its divisors is an integer number (1266288).
Almost surely, 261786032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 61786032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101303040).
61786032 is an abundant number, since it is smaller than the sum of its proper divisors (140820048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61786032 is a wasteful number, since it uses less digits than its factorization.
61786032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 331 (or 325 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 61786032 is about 7860.4091496563. The cubic root of 61786032 is about 395.3333339653. Note that the first 6 decimals are identical.
The spelling of 61786032 in words is "sixty-one million, seven hundred eighty-six thousand, thirty-two".
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