Base | Representation |
---|---|
bin | 1000011101100… |
… | …01000100111000 |
3 | 11221120011010001 |
4 | 10032301010320 |
5 | 121132324041 |
6 | 11013202344 |
7 | 1521214321 |
oct | 416610470 |
9 | 157504101 |
10 | 70979896 |
11 | 37080279 |
12 | 1b9303b4 |
13 | 11922850 |
14 | 95d9448 |
15 | 6371131 |
hex | 43b1138 |
70979896 has 64 divisors (see below), whose sum is σ = 159818400. Its totient is φ = 29196288.
The previous prime is 70979873. The next prime is 70979899. The reversal of 70979896 is 69897907.
It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 70979896 = 283 + 4143 = 2803 + 3663.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70979899) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32536 + ... + 34648.
Almost surely, 270979896 is an apocalyptic number.
70979896 is a gapful number since it is divisible by the number (76) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70979896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79909200).
70979896 is an abundant number, since it is smaller than the sum of its proper divisors (88838504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70979896 is a wasteful number, since it uses less digits than its factorization.
70979896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2168 (or 2164 counting only the distinct ones).
The product of its (nonzero) digits is 1714608, while the sum is 55.
The square root of 70979896 is about 8424.9567357940. The cubic root of 70979896 is about 414.0426881542.
The spelling of 70979896 in words is "seventy million, nine hundred seventy-nine thousand, eight hundred ninety-six".
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