Base | Representation |
---|---|
bin | 1000010111110… |
… | …00110001101001 |
3 | 11220010210120222 |
4 | 10023320301221 |
5 | 120434200001 |
6 | 10545055425 |
7 | 1511621420 |
oct | 413706151 |
9 | 156123528 |
10 | 70225001 |
11 | 367050a0 |
12 | 1b627575 |
13 | 1171a072 |
14 | 94802b7 |
15 | 627261b |
hex | 42f8c69 |
70225001 has 24 divisors (see below), whose sum is σ = 90495936. Its totient is φ = 52902720.
The previous prime is 70224983. The next prime is 70225009. The reversal of 70225001 is 10052207.
It is not a de Polignac number, because 70225001 - 26 = 70224937 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70225009) 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 23 ways as a sum of consecutive naturals, for example, 447215 + ... + 447371.
It is an arithmetic number, because the mean of its divisors is an integer number (3770664).
Almost surely, 270225001 is an apocalyptic number.
It is an amenable number.
70225001 is a deficient number, since it is larger than the sum of its proper divisors (20270935).
70225001 is a wasteful number, since it uses less digits than its factorization.
70225001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 369 (or 212 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 17.
The square root of 70225001 is about 8380.0358591118. The cubic root of 70225001 is about 412.5696259576.
Adding to 70225001 its reverse (10052207), we get a palindrome (80277208).
The spelling of 70225001 in words is "seventy million, two hundred twenty-five thousand, one".
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