Base | Representation |
---|---|
bin | 1000010110001… |
… | …01101011010101 |
3 | 11212202011111010 |
4 | 10023011223111 |
5 | 120411000301 |
6 | 10540402433 |
7 | 1510060260 |
oct | 413055325 |
9 | 155664433 |
10 | 70015701 |
11 | 36581918 |
12 | 1b546419 |
13 | 11675a12 |
14 | 9427cd7 |
15 | 62305d6 |
hex | 42c5ad5 |
70015701 has 32 divisors (see below), whose sum is σ = 111108096. Its totient is φ = 38376000.
The previous prime is 70015669. The next prime is 70015723. The reversal of 70015701 is 10751007.
It is not a de Polignac number, because 70015701 - 25 = 70015669 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70015601) 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 31 ways as a sum of consecutive naturals, for example, 84871 + ... + 85691.
It is an arithmetic number, because the mean of its divisors is an integer number (3472128).
Almost surely, 270015701 is an apocalyptic number.
It is an amenable number.
70015701 is a deficient number, since it is larger than the sum of its proper divisors (41092395).
70015701 is a wasteful number, since it uses less digits than its factorization.
70015701 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 993.
The product of its (nonzero) digits is 245, while the sum is 21.
The square root of 70015701 is about 8367.5385269504. The cubic root of 70015701 is about 412.1593411537.
Adding to 70015701 its reverse (10751007), we get a palindrome (80766708).
The spelling of 70015701 in words is "seventy million, fifteen thousand, seven hundred one".
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