Base | Representation |
---|---|
bin | 10110100101111… |
… | …010110110100100 |
3 | 222102020011221200 |
4 | 112211322312210 |
5 | 1234013223030 |
6 | 101340042500 |
7 | 12251531244 |
oct | 2645726644 |
9 | 872204850 |
10 | 379039140 |
11 | 184a59797 |
12 | a6b33430 |
13 | 606b2a1c |
14 | 384a9b24 |
15 | 23422d60 |
hex | 1697ada4 |
379039140 has 144 divisors (see below), whose sum is σ = 1230898032. Its totient is φ = 94076928.
The previous prime is 379039099. The next prime is 379039147. The reversal of 379039140 is 41930973.
It can be written as a sum of positive squares in 8 ways, for example, as 6471936 + 372567204 = 2544^2 + 19302^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 379039095 and 379039104.
It is not an unprimeable number, because it can be changed into a prime (379039147) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 296182 + ... + 297458.
It is an arithmetic number, because the mean of its divisors is an integer number (8547903).
Almost surely, 2379039140 is an apocalyptic number.
379039140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 379039140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615449016).
379039140 is an abundant number, since it is smaller than the sum of its proper divisors (851858892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
379039140 is a wasteful number, since it uses less digits than its factorization.
379039140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1406 (or 1401 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 36.
The square root of 379039140 is about 19468.9275513573. The cubic root of 379039140 is about 723.7046326275.
The spelling of 379039140 in words is "three hundred seventy-nine million, thirty-nine thousand, one hundred forty".
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