Base | Representation |
---|---|
bin | 1110101000001… |
… | …0010001110110 |
3 | 11021102221210101 |
4 | 3222002101312 |
5 | 111201213110 |
6 | 10030544314 |
7 | 1343321656 |
oct | 352022166 |
9 | 137387711 |
10 | 61351030 |
11 | 316a3a34 |
12 | 1866809a |
13 | c930bb0 |
14 | 8210366 |
15 | 55bd13a |
hex | 3a82476 |
61351030 has 16 divisors (see below), whose sum is σ = 118926864. Its totient is φ = 22652640.
The previous prime is 61351021. The next prime is 61351039. The reversal of 61351030 is 3015316.
It is an interprime number because it is at equal distance from previous prime (61351021) and next prime (61351039).
It is a junction number, because it is equal to n+sod(n) for n = 61350989 and 61351007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61351039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235836 + ... + 236095.
It is an arithmetic number, because the mean of its divisors is an integer number (7432929).
Almost surely, 261351030 is an apocalyptic number.
61351030 is a deficient number, since it is larger than the sum of its proper divisors (57575834).
61351030 is a wasteful number, since it uses less digits than its factorization.
61351030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 471951.
The product of its (nonzero) digits is 270, while the sum is 19.
The square root of 61351030 is about 7832.6898317245. The cubic root of 61351030 is about 394.4033720964.
Adding to 61351030 its reverse (3015316), we get a palindrome (64366346).
The spelling of 61351030 in words is "sixty-one million, three hundred fifty-one thousand, thirty".
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