Base | Representation |
---|---|
bin | 1000011000000… |
… | …10110001101001 |
3 | 11220012212210000 |
4 | 10030002301221 |
5 | 120442002321 |
6 | 10550013213 |
7 | 1512152013 |
oct | 414026151 |
9 | 156185700 |
10 | 70265961 |
11 | 36732947 |
12 | 1b647209 |
13 | 117328bc |
14 | 94911b3 |
15 | 627e826 |
hex | 4302c69 |
70265961 has 20 divisors (see below), whose sum is σ = 106693444. Its totient is φ = 46072800.
The previous prime is 70265959. The next prime is 70265963. The reversal of 70265961 is 16956207.
It is an interprime number because it is at equal distance from previous prime (70265959) and next prime (70265963).
It can be written as a sum of positive squares in 2 ways, for example, as 20985561 + 49280400 = 4581^2 + 7020^2 .
It is not a de Polignac number, because 70265961 - 21 = 70265959 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70265963) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2170 + ... + 12051.
Almost surely, 270265961 is an apocalyptic number.
It is an amenable number.
70265961 is a deficient number, since it is larger than the sum of its proper divisors (36427483).
70265961 is a wasteful number, since it uses less digits than its factorization.
70265961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14294 (or 14285 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 70265961 is about 8382.4794064763. The cubic root of 70265961 is about 412.6498232624.
The spelling of 70265961 in words is "seventy million, two hundred sixty-five thousand, nine hundred sixty-one".
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