Base | Representation |
---|---|
bin | 111010011100000… |
… | …001110001001101 |
3 | 2112022211210100212 |
4 | 322130001301031 |
5 | 4001442111210 |
6 | 241141532205 |
7 | 33203324162 |
oct | 7234016115 |
9 | 2468753325 |
10 | 980425805 |
11 | 463474467 |
12 | 234414065 |
13 | 128175818 |
14 | 942d4069 |
15 | 5b116805 |
hex | 3a701c4d |
980425805 has 8 divisors (see below), whose sum is σ = 1177848672. Its totient is φ = 783448848.
The previous prime is 980425801. The next prime is 980425847. The reversal of 980425805 is 508524089.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 980425805 - 22 = 980425801 is a prime.
It is a super-2 number, since 2×9804258052 = 1922469518219796050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (980425801) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106619 + ... + 115448.
It is an arithmetic number, because the mean of its divisors is an integer number (147231084).
Almost surely, 2980425805 is an apocalyptic number.
It is an amenable number.
980425805 is a deficient number, since it is larger than the sum of its proper divisors (197422867).
980425805 is a wasteful number, since it uses less digits than its factorization.
980425805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222955.
The product of its (nonzero) digits is 115200, while the sum is 41.
The square root of 980425805 is about 31311.7518673101. The cubic root of 980425805 is about 993.4322271279.
The spelling of 980425805 in words is "nine hundred eighty million, four hundred twenty-five thousand, eight hundred five".
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