Base | Representation |
---|---|
bin | 1001001110101… |
… | …01111000101101 |
3 | 12101200110012010 |
4 | 10213111320231 |
5 | 124310002000 |
6 | 11403231433 |
7 | 1630035324 |
oct | 447257055 |
9 | 171613163 |
10 | 77422125 |
11 | 3a780430 |
12 | 21b18579 |
13 | 13069c11 |
14 | a3d50bb |
15 | 6be4d50 |
hex | 49d5e2d |
77422125 has 48 divisors (see below), whose sum is σ = 141575616. Its totient is φ = 37264000.
The previous prime is 77422099. The next prime is 77422127. The reversal of 77422125 is 52122477.
It is not a de Polignac number, because 77422125 - 27 = 77421997 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 77422092 and 77422101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (77422127) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 565057 + ... + 565193.
It is an arithmetic number, because the mean of its divisors is an integer number (2949492).
Almost surely, 277422125 is an apocalyptic number.
77422125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
77422125 is a deficient number, since it is larger than the sum of its proper divisors (64153491).
77422125 is a wasteful number, since it uses less digits than its factorization.
77422125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 303 (or 156 counting only the distinct ones).
The product of its digits is 7840, while the sum is 30.
The square root of 77422125 is about 8798.9843163856. The cubic root of 77422125 is about 426.2080966596.
The spelling of 77422125 in words is "seventy-seven million, four hundred twenty-two thousand, one hundred twenty-five".
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