Base | Representation |
---|---|
bin | 1000010111100… |
… | …10100101001001 |
3 | 11220002111210010 |
4 | 10023302211021 |
5 | 120432342000 |
6 | 10544342133 |
7 | 1511454426 |
oct | 413624511 |
9 | 156074703 |
10 | 70199625 |
11 | 36698021 |
12 | 1b614949 |
13 | 1170b652 |
14 | 9474d4d |
15 | 6269d50 |
hex | 42f2949 |
70199625 has 32 divisors (see below), whose sum is σ = 117786240. Its totient is φ = 37128000.
The previous prime is 70199621. The next prime is 70199629. The reversal of 70199625 is 52699107.
It is an interprime number because it is at equal distance from previous prime (70199621) and next prime (70199629).
It is not a de Polignac number, because 70199625 - 22 = 70199621 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (70199621) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48411 + ... + 49839.
It is an arithmetic number, because the mean of its divisors is an integer number (3680820).
Almost surely, 270199625 is an apocalyptic number.
70199625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
70199625 is a deficient number, since it is larger than the sum of its proper divisors (47586615).
70199625 is a wasteful number, since it uses less digits than its factorization.
70199625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1578 (or 1568 counting only the distinct ones).
The product of its (nonzero) digits is 34020, while the sum is 39.
The square root of 70199625 is about 8378.5216476417. The cubic root of 70199625 is about 412.5199255756.
The spelling of 70199625 in words is "seventy million, one hundred ninety-nine thousand, six hundred twenty-five".
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