Base | Representation |
---|---|
bin | 1000010111100… |
… | …01100100100011 |
3 | 11220002022010000 |
4 | 10023301210203 |
5 | 120432223431 |
6 | 10544311043 |
7 | 1511436402 |
oct | 413614443 |
9 | 156068100 |
10 | 70195491 |
11 | 36694a03 |
12 | 1b612483 |
13 | 117097c2 |
14 | 9473639 |
15 | 62689e6 |
hex | 42f1923 |
70195491 has 20 divisors (see below), whose sum is σ = 105123832. Its totient is φ = 46679328.
The previous prime is 70195483. The next prime is 70195493. The reversal of 70195491 is 19459107.
It is not a de Polignac number, because 70195491 - 23 = 70195483 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70195493) 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, 41535 + ... + 43191.
Almost surely, 270195491 is an apocalyptic number.
70195491 is a deficient number, since it is larger than the sum of its proper divisors (34928341).
70195491 is a wasteful number, since it uses less digits than its factorization.
70195491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2192 (or 2183 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 36.
The square root of 70195491 is about 8378.2749417765. The cubic root of 70195491 is about 412.5118277600.
The spelling of 70195491 in words is "seventy million, one hundred ninety-five thousand, four hundred ninety-one".
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