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1394315380 = 225193669251
BaseRepresentation
bin101001100011011…
…1001000001110100
310121011122120010101
41103012321001310
510323421043010
6350205003444
746360325263
oct12306710164
93534576111
101394315380
11656066867
1232ab53584
13192b3b1b3
14d32725da
158262073a
hex531b9074

1394315380 has 24 divisors (see below), whose sum is σ = 3082171680. Its totient is φ = 528372000.

The previous prime is 1394315327. The next prime is 1394315393. The reversal of 1394315380 is 835134931.

It is a congruent number.

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, 1834246 + ... + 1835005.

It is an arithmetic number, because the mean of its divisors is an integer number (128423820).

Almost surely, 21394315380 is an apocalyptic number.

1394315380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1394315380 is an abundant number, since it is smaller than the sum of its proper divisors (1687856300).

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

1394315380 is a wasteful number, since it uses less digits than its factorization.

1394315380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669279 (or 3669277 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1394315380 is about 37340.5326689377. The cubic root of 1394315380 is about 1117.1727639330.

The spelling of 1394315380 in words is "one billion, three hundred ninety-four million, three hundred fifteen thousand, three hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 3669251 7338502 14677004 18346255 36692510 69715769 73385020 139431538 278863076 348578845 697157690 1394315380