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1384725388 = 22438050729
BaseRepresentation
bin101001010001001…
…0011101110001100
310120111121100010111
41102202103232030
510313442203023
6345223245404
746212654154
oct12242235614
93514540114
101384725388
11650706752
123278a9864
13190b61147
14d1c97764
158187900d
hex52893b8c

1384725388 has 12 divisors (see below), whose sum is σ = 2479624840. Its totient is φ = 676261152.

The previous prime is 1384725371. The next prime is 1384725409. The reversal of 1384725388 is 8835274831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4025193 + ... + 4025536.

Almost surely, 21384725388 is an apocalyptic number.

It is an amenable number.

1384725388 is a deficient number, since it is larger than the sum of its proper divisors (1094899452).

1384725388 is a wasteful number, since it uses less digits than its factorization.

1384725388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8050776 (or 8050774 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 1384725388 is about 37211.8984734722. The cubic root of 1384725388 is about 1114.6055937114.

The spelling of 1384725388 in words is "one billion, three hundred eighty-four million, seven hundred twenty-five thousand, three hundred eighty-eight".

Divisors: 1 2 4 43 86 172 8050729 16101458 32202916 346181347 692362694 1384725388