Base | Representation |
---|---|
bin | 1011110001011… |
… | …01000111111010 |
3 | 20212211001212100 |
4 | 11320231013322 |
5 | 200240012340 |
6 | 13444324230 |
7 | 2306240463 |
oct | 570550772 |
9 | 225731770 |
10 | 98750970 |
11 | 5081907a |
12 | 290a3676 |
13 | 175c7136 |
14 | d187d6a |
15 | 8a09830 |
hex | 5e2d1fa |
98750970 has 48 divisors (see below), whose sum is σ = 258658920. Its totient is φ = 26138112.
The previous prime is 98750933. The next prime is 98751017. The reversal of 98750970 is 7905789.
It can be written as a sum of positive squares in 4 ways, for example, as 87441201 + 11309769 = 9351^2 + 3363^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8326 + ... + 16334.
Almost surely, 298750970 is an apocalyptic number.
98750970 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 98750970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129329460).
98750970 is an abundant number, since it is smaller than the sum of its proper divisors (159907950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
98750970 is a wasteful number, since it uses less digits than its factorization.
98750970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8159 (or 8156 counting only the distinct ones).
The product of its (nonzero) digits is 158760, while the sum is 45.
The square root of 98750970 is about 9937.3522630528. The cubic root of 98750970 is about 462.2182866825.
The spelling of 98750970 in words is "ninety-eight million, seven hundred fifty thousand, nine hundred seventy".
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