Base | Representation |
---|---|
bin | 1110101111111… |
… | …0100100111000 |
3 | 11022101211011202 |
4 | 3223332210320 |
5 | 111314011102 |
6 | 10045513332 |
7 | 1350542204 |
oct | 353764470 |
9 | 138354152 |
10 | 61860152 |
11 | 31a114a2 |
12 | 18872848 |
13 | ca7b853 |
14 | 8303b04 |
15 | 566de02 |
hex | 3afe938 |
61860152 has 32 divisors (see below), whose sum is σ = 120338400. Its totient is φ = 29787264.
The previous prime is 61860151. The next prime is 61860173. The reversal of 61860152 is 25106816.
It is a happy number.
It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61860151) 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, 29474 + ... + 31502.
It is an arithmetic number, because the mean of its divisors is an integer number (3760575).
Almost surely, 261860152 is an apocalyptic number.
It is an amenable number.
61860152 is a deficient number, since it is larger than the sum of its proper divisors (58478248).
61860152 is a wasteful number, since it uses less digits than its factorization.
61860152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2175 (or 2171 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 29.
The square root of 61860152 is about 7865.1225038139. The cubic root of 61860152 is about 395.4913545642.
Adding to 61860152 its reverse (25106816), we get a palindrome (86966968).
The spelling of 61860152 in words is "sixty-one million, eight hundred sixty thousand, one hundred fifty-two".
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