Base | Representation |
---|---|
bin | 1000000011000… |
… | …01001100100100 |
3 | 11201000201011112 |
4 | 10001201030210 |
5 | 114240210410 |
6 | 10410524152 |
7 | 1446541232 |
oct | 401411444 |
9 | 151021145 |
10 | 67506980 |
11 | 35118aa2 |
12 | 1a736658 |
13 | 10ca7b78 |
14 | 8d73952 |
15 | 5dd7105 |
hex | 4061324 |
67506980 has 12 divisors (see below), whose sum is σ = 141764700. Its totient is φ = 27002784.
The previous prime is 67506953. The next prime is 67507003. The reversal of 67506980 is 8960576.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 45454564 + 22052416 = 6742^2 + 4696^2 .
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687655 + ... + 1687694.
It is an arithmetic number, because the mean of its divisors is an integer number (11813725).
Almost surely, 267506980 is an apocalyptic number.
It is an amenable number.
67506980 is an abundant number, since it is smaller than the sum of its proper divisors (74257720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67506980 is a wasteful number, since it uses less digits than its factorization.
67506980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3375358 (or 3375356 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 41.
The square root of 67506980 is about 8216.2631408688. The cubic root of 67506980 is about 407.1766765499.
It can be divided in two parts, 67506 and 980, that added together give a palindrome (68486).
The spelling of 67506980 in words is "sixty-seven million, five hundred six thousand, nine hundred eighty".
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