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378711340 = 22572705081
BaseRepresentation
bin10110100100101…
…010110100101100
3222101121112021221
4112210222310230
51233422230330
6101325033124
712245664460
oct2644526454
9871545257
10378711340
11184855487
12a69b57a4
13605c9767
14384224a0
15233aab7a
hex1692ad2c

378711340 has 24 divisors (see below), whose sum is σ = 908907552. Its totient is φ = 129843840.

The previous prime is 378711331. The next prime is 378711367. The reversal of 378711340 is 43117873.

It is a junction number, because it is equal to n+sod(n) for n = 378711296 and 378711305.

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, 1352401 + ... + 1352680.

It is an arithmetic number, because the mean of its divisors is an integer number (37871148).

Almost surely, 2378711340 is an apocalyptic number.

It is an amenable number.

378711340 is an abundant number, since it is smaller than the sum of its proper divisors (530196212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378711340 is a wasteful number, since it uses less digits than its factorization.

378711340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705097 (or 2705095 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 378711340 is about 19460.5071876352. The cubic root of 378711340 is about 723.4959481114.

The spelling of 378711340 in words is "three hundred seventy-eight million, seven hundred eleven thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2705081 5410162 10820324 13525405 18935567 27050810 37871134 54101620 75742268 94677835 189355670 378711340