Base | Representation |
---|---|
bin | 10110100100101… |
… | …000011011100010 |
3 | 222101121000211220 |
4 | 112210220123202 |
5 | 1233421422123 |
6 | 101324515510 |
7 | 12245624055 |
oct | 2644503342 |
9 | 871530756 |
10 | 378701538 |
11 | 184849086 |
12 | a69abb96 |
13 | 605c5167 |
14 | 3841ca9c |
15 | 233a7ce3 |
hex | 169286e2 |
378701538 has 8 divisors (see below), whose sum is σ = 757403088. Its totient is φ = 126233844.
The previous prime is 378701501. The next prime is 378701551. The reversal of 378701538 is 835107873.
It is a sphenic number, since it is the product of 3 distinct primes.
378701538 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 378701538.
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 3 ways as a sum of consecutive naturals, for example, 31558456 + ... + 31558467.
It is an arithmetic number, because the mean of its divisors is an integer number (94675386).
Almost surely, 2378701538 is an apocalyptic number.
378701538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378701538 is a wasteful number, since it uses less digits than its factorization.
378701538 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63116928.
The product of its (nonzero) digits is 141120, while the sum is 42.
The square root of 378701538 is about 19460.2553426208. The cubic root of 378701538 is about 723.4897060939.
The spelling of 378701538 in words is "three hundred seventy-eight million, seven hundred one thousand, five hundred thirty-eight".
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