Base | Representation |
---|---|
bin | 1000011010111… |
… | …10110010111010 |
3 | 11220221000210202 |
4 | 10031132302322 |
5 | 121041032444 |
6 | 11002042202 |
7 | 1515311621 |
oct | 415366272 |
9 | 156830722 |
10 | 70642874 |
11 | 36970045 |
12 | 1b7a9362 |
13 | 11835323 |
14 | 954c6b8 |
15 | 630634e |
hex | 435ecba |
70642874 has 8 divisors (see below), whose sum is σ = 111541440. Its totient is φ = 33462396.
The previous prime is 70642853. The next prime is 70642921. The reversal of 70642874 is 47824607.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1859023 = 70642874 / (7 + 0 + 6 + 4 + 2 + 8 + 7 + 4).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929474 + ... + 929549.
It is an arithmetic number, because the mean of its divisors is an integer number (13942680).
Almost surely, 270642874 is an apocalyptic number.
70642874 is a deficient number, since it is larger than the sum of its proper divisors (40898566).
70642874 is a wasteful number, since it uses less digits than its factorization.
70642874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1859044.
The product of its (nonzero) digits is 75264, while the sum is 38.
The square root of 70642874 is about 8404.9315285730. The cubic root of 70642874 is about 413.3863383002.
The spelling of 70642874 in words is "seventy million, six hundred forty-two thousand, eight hundred seventy-four".
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