Base | Representation |
---|---|
bin | 1000010111001… |
… | …10001101101001 |
3 | 11212222221021222 |
4 | 10023212031221 |
5 | 120424231334 |
6 | 10543311425 |
7 | 1511153642 |
oct | 413461551 |
9 | 155887258 |
10 | 70148969 |
11 | 36662a60 |
12 | 1b5ab575 |
13 | 116c1587 |
14 | 94606c9 |
15 | 6259d2e |
hex | 42e6369 |
70148969 has 8 divisors (see below), whose sum is σ = 80554080. Its totient is φ = 60415200.
The previous prime is 70148951. The next prime is 70148983. The reversal of 70148969 is 96984107.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-70148969 is a prime.
It is a super-2 number, since 2×701489692 = 9841755703525922, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (70148269) 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 in 7 ways as a sum of consecutive naturals, for example, 167612 + ... + 168029.
It is an arithmetic number, because the mean of its divisors is an integer number (10069260).
Almost surely, 270148969 is an apocalyptic number.
It is an amenable number.
70148969 is a deficient number, since it is larger than the sum of its proper divisors (10405111).
70148969 is a wasteful number, since it uses less digits than its factorization.
70148969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 335671.
The product of its (nonzero) digits is 108864, while the sum is 44.
The square root of 70148969 is about 8375.4981344395. The cubic root of 70148969 is about 412.4206770032.
It can be divided in two parts, 70148 and 969, that added together give a palindrome (71117).
The spelling of 70148969 in words is "seventy million, one hundred forty-eight thousand, nine hundred sixty-nine".
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