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1381824316 = 221228928111
BaseRepresentation
bin101001001011100…
…1111011100111100
310120022010221121101
41102113033130330
510312221334231
6345041142444
746146212215
oct12227173474
93508127541
101381824316
1164a005074
1232692aa24
13190386832
14d174040c
15814a4661
hex525cf73c

1381824316 has 12 divisors (see below), whose sum is σ = 2418475360. Its totient is φ = 690831360.

The previous prime is 1381824293. The next prime is 1381824317. The reversal of 1381824316 is 6134281831.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381824317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35101 + ... + 63211.

Almost surely, 21381824316 is an apocalyptic number.

It is an amenable number.

1381824316 is a deficient number, since it is larger than the sum of its proper divisors (1036651044).

1381824316 is a wasteful number, since it uses less digits than its factorization.

1381824316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40404 (or 40402 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 1381824316 is about 37172.8976002679. The cubic root of 1381824316 is about 1113.8266638500.

The spelling of 1381824316 in words is "one billion, three hundred eighty-one million, eight hundred twenty-four thousand, three hundred sixteen".

Divisors: 1 2 4 12289 24578 28111 49156 56222 112444 345456079 690912158 1381824316