Base | Representation |
---|---|
bin | 111010010101111… |
… | …000000011100000 |
3 | 2112012210212012222 |
4 | 322111320003200 |
5 | 4001034010102 |
6 | 241043210212 |
7 | 33153526442 |
oct | 7225700340 |
9 | 2465725188 |
10 | 978813152 |
11 | 462572899 |
12 | 233976968 |
13 | 127a2c7a5 |
14 | 93dd4492 |
15 | 5ade8aa2 |
hex | 3a5780e0 |
978813152 has 12 divisors (see below), whose sum is σ = 1927038456. Its totient is φ = 489406560.
The previous prime is 978813151. The next prime is 978813161. The reversal of 978813152 is 251318879.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (978813151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15293924 + ... + 15293987.
It is an arithmetic number, because the mean of its divisors is an integer number (160586538).
Almost surely, 2978813152 is an apocalyptic number.
It is an amenable number.
978813152 is a deficient number, since it is larger than the sum of its proper divisors (948225304).
978813152 is a wasteful number, since it uses less digits than its factorization.
978813152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30587921 (or 30587913 counting only the distinct ones).
The product of its digits is 120960, while the sum is 44.
The square root of 978813152 is about 31285.9897078549. The cubic root of 978813152 is about 992.8872460118.
The spelling of 978813152 in words is "nine hundred seventy-eight million, eight hundred thirteen thousand, one hundred fifty-two".
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