Base | Representation |
---|---|
bin | 1000010111111… |
… | …01101001111111 |
3 | 11220011211000100 |
4 | 10023331221333 |
5 | 120440314431 |
6 | 10545332143 |
7 | 1512033615 |
oct | 413755177 |
9 | 156154010 |
10 | 70244991 |
11 | 36719113 |
12 | 1b637053 |
13 | 117261ab |
14 | 94876b5 |
15 | 62784e6 |
hex | 42fda7f |
70244991 has 12 divisors (see below), whose sum is σ = 101650120. Its totient is φ = 46744560.
The previous prime is 70244963. The next prime is 70245017. The reversal of 70244991 is 19944207.
It is not a de Polignac number, because 70244991 - 25 = 70244959 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 (70244491) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1696 + ... + 11973.
Almost surely, 270244991 is an apocalyptic number.
70244991 is a deficient number, since it is larger than the sum of its proper divisors (31405129).
70244991 is a wasteful number, since it uses less digits than its factorization.
70244991 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14246 (or 14243 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 70244991 is about 8381.2284899053. The cubic root of 70244991 is about 412.6087691131.
The spelling of 70244991 in words is "seventy million, two hundred forty-four thousand, nine hundred ninety-one".
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