Base | Representation |
---|---|
bin | 1000010111001… |
… | …11011010011000 |
3 | 11220000012000212 |
4 | 10023213122120 |
5 | 120424411010 |
6 | 10543350252 |
7 | 1511204156 |
oct | 413473230 |
9 | 156005025 |
10 | 70153880 |
11 | 36666715 |
12 | 1b5b2388 |
13 | 116c3894 |
14 | 94623d6 |
15 | 625b505 |
hex | 42e7698 |
70153880 has 32 divisors (see below), whose sum is σ = 158865840. Its totient is φ = 27880320.
The previous prime is 70153879. The next prime is 70153901. The reversal of 70153880 is 8835107.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695 + ... + 11865.
Almost surely, 270153880 is an apocalyptic number.
It is an amenable number.
70153880 is an abundant number, since it is smaller than the sum of its proper divisors (88711960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70153880 is a wasteful number, since it uses less digits than its factorization.
70153880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11339 (or 11335 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 32.
The square root of 70153880 is about 8375.7913059006. The cubic root of 70153880 is about 412.4303010491.
Adding to 70153880 its reverse (8835107), we get a palindrome (78988987).
The spelling of 70153880 in words is "seventy million, one hundred fifty-three thousand, eight hundred eighty".
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