Base | Representation |
---|---|
bin | 1001001011111… |
… | …00000101000100 |
3 | 12100222202121002 |
4 | 10211330011010 |
5 | 124211214101 |
6 | 11351312432 |
7 | 1623644015 |
oct | 445740504 |
9 | 170882532 |
10 | 77054276 |
11 | 3a54a022 |
12 | 2197b718 |
13 | 12c6b660 |
14 | a33b00c |
15 | 6b70d6b |
hex | 497c144 |
77054276 has 48 divisors (see below), whose sum is σ = 154397040. Its totient is φ = 33384960.
The previous prime is 77054269. The next prime is 77054279. The reversal of 77054276 is 67245077.
It can be written as a sum of positive squares in 8 ways, for example, as 36100 + 77018176 = 190^2 + 8776^2 .
It is a super-2 number, since 2×770542762 = 11874722899768352, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (77054279) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55106 + ... + 56486.
It is an arithmetic number, because the mean of its divisors is an integer number (3216605).
Almost surely, 277054276 is an apocalyptic number.
It is an amenable number.
77054276 is an abundant number, since it is smaller than the sum of its proper divisors (77342764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
77054276 is a wasteful number, since it uses less digits than its factorization.
77054276 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1464 (or 1462 counting only the distinct ones).
The product of its (nonzero) digits is 82320, while the sum is 38.
The square root of 77054276 is about 8778.0565047167. The cubic root of 77054276 is about 425.5320229991.
The spelling of 77054276 in words is "seventy-seven million, fifty-four thousand, two hundred seventy-six".
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