Base | Representation |
---|---|
bin | 1001001011000… |
… | …10101110011111 |
3 | 12100210111010222 |
4 | 10211202232133 |
5 | 124144403211 |
6 | 11345151555 |
7 | 1623032165 |
oct | 445425637 |
9 | 170714128 |
10 | 76950431 |
11 | 3a488aa8 |
12 | 2192b5bb |
13 | 12c332cc |
14 | a311235 |
15 | 6b501db |
hex | 4962b9f |
76950431 has 2 divisors, whose sum is σ = 76950432. Its totient is φ = 76950430.
The previous prime is 76950407. The next prime is 76950469. The reversal of 76950431 is 13405967.
It is a weak prime.
It is an emirp because it is prime and its reverse (13405967) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 76950431 - 222 = 72756127 is a prime.
It is a super-2 number, since 2×769504312 = 11842737662171522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 76950391 and 76950400.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (76950331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38475215 + 38475216.
It is an arithmetic number, because the mean of its divisors is an integer number (38475216).
Almost surely, 276950431 is an apocalyptic number.
76950431 is a deficient number, since it is larger than the sum of its proper divisors (1).
76950431 is an equidigital number, since it uses as much as digits as its factorization.
76950431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 22680, while the sum is 35.
The square root of 76950431 is about 8772.1394767753. The cubic root of 76950431 is about 425.3407758192.
The spelling of 76950431 in words is "seventy-six million, nine hundred fifty thousand, four hundred thirty-one".
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