Base | Representation |
---|---|
bin | 1000001111010… |
… | …01001011011110 |
3 | 11211001021120210 |
4 | 10013221023132 |
5 | 120143100132 |
6 | 10505153250 |
7 | 1466306202 |
oct | 407511336 |
9 | 154037523 |
10 | 69112542 |
11 | 36015304 |
12 | 1b18b826 |
13 | 1141a8c5 |
14 | 9270b02 |
15 | 6102bcc |
hex | 41e92de |
69112542 has 8 divisors (see below), whose sum is σ = 138225096. Its totient is φ = 23037512.
The previous prime is 69112507. The next prime is 69112543. The reversal of 69112542 is 24521196.
It is a sphenic number, since it is the product of 3 distinct primes.
69112542 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69112543) 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, 5759373 + ... + 5759384.
It is an arithmetic number, because the mean of its divisors is an integer number (17278137).
Almost surely, 269112542 is an apocalyptic number.
69112542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69112542 is a wasteful number, since it uses less digits than its factorization.
69112542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11518762.
The product of its digits is 4320, while the sum is 30.
The square root of 69112542 is about 8313.3953352406. The cubic root of 69112542 is about 410.3794662541.
It can be divided in two parts, 6911 and 2542, that added together give a triangular number (9453 = T137).
The spelling of 69112542 in words is "sixty-nine million, one hundred twelve thousand, five hundred forty-two".
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