Base | Representation |
---|---|
bin | 1000010110111… |
… | …00011100001100 |
3 | 11212220220101102 |
4 | 10023130130030 |
5 | 120421441230 |
6 | 10542402232 |
7 | 1510626146 |
oct | 413343414 |
9 | 155826342 |
10 | 70108940 |
11 | 36635980 |
12 | 1b590378 |
13 | 116a92a5 |
14 | 944dc96 |
15 | 624d045 |
hex | 42dc70c |
70108940 has 24 divisors (see below), whose sum is σ = 160613712. Its totient is φ = 25494080.
The previous prime is 70108937. The next prime is 70108943. The reversal of 70108940 is 4980107.
It is an interprime number because it is at equal distance from previous prime (70108937) and next prime (70108943).
It is not an unprimeable number, because it can be changed into a prime (70108943) 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, 159119 + ... + 159558.
It is an arithmetic number, because the mean of its divisors is an integer number (6692238).
Almost surely, 270108940 is an apocalyptic number.
It is an amenable number.
70108940 is an abundant number, since it is smaller than the sum of its proper divisors (90504772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70108940 is a wasteful number, since it uses less digits than its factorization.
70108940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 318697 (or 318695 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 29.
The square root of 70108940 is about 8373.1081445303. The cubic root of 70108940 is about 412.3422157483.
The spelling of 70108940 in words is "seventy million, one hundred eight thousand, nine hundred forty".
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