Base | Representation |
---|---|
bin | 1001010001100… |
… | …00111001111101 |
3 | 12102101101121010 |
4 | 10220300321331 |
5 | 124403414231 |
6 | 11415225433 |
7 | 1633150260 |
oct | 450607175 |
9 | 172341533 |
10 | 77794941 |
11 | 3aa05544 |
12 | 22078279 |
13 | 1316a813 |
14 | a490cd7 |
15 | 6c6a546 |
hex | 4a30e7d |
77794941 has 32 divisors (see below), whose sum is σ = 126074880. Its totient is φ = 41654016.
The previous prime is 77794933. The next prime is 77794957. The reversal of 77794941 is 14949777.
It is not a de Polignac number, because 77794941 - 23 = 77794933 is a prime.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (77794991) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127860 + ... + 128466.
It is an arithmetic number, because the mean of its divisors is an integer number (3939840).
Almost surely, 277794941 is an apocalyptic number.
It is an amenable number.
77794941 is a deficient number, since it is larger than the sum of its proper divisors (48279939).
77794941 is a wasteful number, since it uses less digits than its factorization.
77794941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 993.
The product of its digits is 444528, while the sum is 48.
The square root of 77794941 is about 8820.1440464428. The cubic root of 77794941 is about 426.8911177315.
It can be divided in two parts, 7779 and 4941, that added together give a triangular number (12720 = T159).
The spelling of 77794941 in words is "seventy-seven million, seven hundred ninety-four thousand, nine hundred forty-one".
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