Base | Representation |
---|---|
bin | 1110101000101… |
… | …1101111101010 |
3 | 11021111220222101 |
4 | 3222023233222 |
5 | 111203433202 |
6 | 10031444014 |
7 | 1343543005 |
oct | 352135752 |
9 | 137456871 |
10 | 61389802 |
11 | 31720081 |
12 | 1868660a |
13 | c945736 |
14 | 822053c |
15 | 55c9887 |
hex | 3a8bbea |
61389802 has 8 divisors (see below), whose sum is σ = 94044096. Its totient is φ = 30041772.
The previous prime is 61389793. The next prime is 61389803. The reversal of 61389802 is 20898316.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (61389803) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326448 + ... + 326635.
It is an arithmetic number, because the mean of its divisors is an integer number (11755512).
Almost surely, 261389802 is an apocalyptic number.
61389802 is a deficient number, since it is larger than the sum of its proper divisors (32654294).
61389802 is a wasteful number, since it uses less digits than its factorization.
61389802 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 653132.
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 61389802 is about 7835.1644526455. The cubic root of 61389802 is about 394.4864382778.
The spelling of 61389802 in words is "sixty-one million, three hundred eighty-nine thousand, eight hundred two".
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