Base | Representation |
---|---|
bin | 10110101011000… |
… | …010100010101011 |
3 | 222111202101010100 |
4 | 112223002202223 |
5 | 1234334200410 |
6 | 101424520443 |
7 | 12266121354 |
oct | 2653024253 |
9 | 874671110 |
10 | 380381355 |
11 | 185796162 |
12 | a7480123 |
13 | 60a62933 |
14 | 38738d2b |
15 | 235da8c0 |
hex | 16ac28ab |
380381355 has 24 divisors (see below), whose sum is σ = 663764400. Its totient is φ = 201504960.
The previous prime is 380381321. The next prime is 380381359. The reversal of 380381355 is 553183083.
It is not a de Polignac number, because 380381355 - 27 = 380381227 is a prime.
It is not an unprimeable number, because it can be changed into a prime (380381359) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21661 + ... + 35070.
It is an arithmetic number, because the mean of its divisors is an integer number (27656850).
Almost surely, 2380381355 is an apocalyptic number.
380381355 is a deficient number, since it is larger than the sum of its proper divisors (283383045).
380381355 is a wasteful number, since it uses less digits than its factorization.
380381355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56891 (or 56888 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The square root of 380381355 is about 19503.3677861030. The cubic root of 380381355 is about 724.5578628020.
It can be divided in two parts, 38038 and 1355, that added together give a palindrome (39393).
The spelling of 380381355 in words is "three hundred eighty million, three hundred eighty-one thousand, three hundred fifty-five".
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