Base | Representation |
---|---|
bin | 1000011000111… |
… | …10101010011110 |
3 | 11220102200110201 |
4 | 10030132222132 |
5 | 121004131230 |
6 | 10552254114 |
7 | 1513136026 |
oct | 414365236 |
9 | 156380421 |
10 | 70380190 |
11 | 36800751 |
12 | 1b6a133a |
13 | 117728aa |
14 | 94c0a86 |
15 | 62a35ca |
hex | 431ea9e |
70380190 has 16 divisors (see below), whose sum is σ = 129774960. Its totient is φ = 27465280.
The previous prime is 70380151. The next prime is 70380203. The reversal of 70380190 is 9108307.
It is a super-2 number, since 2×703801902 = 9906742288872200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85420 + ... + 86239.
It is an arithmetic number, because the mean of its divisors is an integer number (8110935).
Almost surely, 270380190 is an apocalyptic number.
70380190 is a deficient number, since it is larger than the sum of its proper divisors (59394770).
70380190 is a wasteful number, since it uses less digits than its factorization.
70380190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171707.
The product of its (nonzero) digits is 1512, while the sum is 28.
The square root of 70380190 is about 8389.2901964350. The cubic root of 70380190 is about 412.8733124941.
Adding to 70380190 its reverse (9108307), we get a palindrome (79488497).
It can be divided in two parts, 703801 and 90, that added together give a triangular number (703891 = T1186).
The spelling of 70380190 in words is "seventy million, three hundred eighty thousand, one hundred ninety".
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