Base | Representation |
---|---|
bin | 1000001011000… |
… | …00101101010000 |
3 | 11202222212210110 |
4 | 10011200231100 |
5 | 120022203202 |
6 | 10445201320 |
7 | 1461460404 |
oct | 405405520 |
9 | 152885713 |
10 | 68553552 |
11 | 35773331 |
12 | 1ab60240 |
13 | 11283342 |
14 | 9167104 |
15 | 604226c |
hex | 4160b50 |
68553552 has 20 divisors (see below), whose sum is σ = 177096800. Its totient is φ = 22851168.
The previous prime is 68553521. The next prime is 68553557. The reversal of 68553552 is 25535586.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 68553552.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68553557) 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, 714052 + ... + 714147.
It is an arithmetic number, because the mean of its divisors is an integer number (8854840).
Almost surely, 268553552 is an apocalyptic number.
It is an amenable number.
68553552 is an abundant number, since it is smaller than the sum of its proper divisors (108543248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68553552 is a wasteful number, since it uses less digits than its factorization.
68553552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1428210 (or 1428204 counting only the distinct ones).
The product of its digits is 180000, while the sum is 39.
The square root of 68553552 is about 8279.7072412012. The cubic root of 68553552 is about 409.2700714858.
It can be divided in two parts, 6 and 8553552, that added together give a palindrome (8553558).
The spelling of 68553552 in words is "sixty-eight million, five hundred fifty-three thousand, five hundred fifty-two".
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