Base | Representation |
---|---|
bin | 1001010101111… |
… | …01010101000000 |
3 | 12110110121120202 |
4 | 10222331111000 |
5 | 130030320422 |
6 | 11435424332 |
7 | 1641064202 |
oct | 452752500 |
9 | 173417522 |
10 | 78370112 |
11 | 40268697 |
12 | 222b50a8 |
13 | 1330c562 |
14 | a5a0772 |
15 | 6d30b92 |
hex | 4abd540 |
78370112 has 14 divisors (see below), whose sum is σ = 155515818. Its totient is φ = 39185024.
The previous prime is 78370111. The next prime is 78370121. The reversal of 78370112 is 21107387.
It can be written as a sum of positive squares in only one way, i.e., 59845696 + 18524416 = 7736^2 + 4304^2 .
It is a super-2 number, since 2×783701122 = 12283748909785088, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78370111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612203 + ... + 612330.
Almost surely, 278370112 is an apocalyptic number.
It is an amenable number.
78370112 is a deficient number, since it is larger than the sum of its proper divisors (77145706).
78370112 is a wasteful number, since it uses less digits than its factorization.
78370112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1224545 (or 1224535 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 29.
The square root of 78370112 is about 8852.6895348250. The cubic root of 78370112 is about 427.9405979225.
Adding to 78370112 its reverse (21107387), we get a palindrome (99477499).
The spelling of 78370112 in words is "seventy-eight million, three hundred seventy thousand, one hundred twelve".
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