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1381589196 = 223132681257
BaseRepresentation
bin101001001011001…
…0110000011001100
310120021201000002020
41102112112003030
510312141323241
6345032130140
746144212561
oct12226260314
93507630066
101381589196
11649964459
12326836950
13190303800
14d16bc868
1581459b66
hex525960cc

1381589196 has 36 divisors (see below), whose sum is σ = 3490765992. Its totient is φ = 425103744.

The previous prime is 1381589179. The next prime is 1381589197. The reversal of 1381589196 is 6919851831.

It is not an unprimeable number, because it can be changed into a prime (1381589197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338601 + ... + 342656.

It is an arithmetic number, because the mean of its divisors is an integer number (96965722).

Almost surely, 21381589196 is an apocalyptic number.

It is an amenable number.

1381589196 is an abundant number, since it is smaller than the sum of its proper divisors (2109176796).

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

1381589196 is a wasteful number, since it uses less digits than its factorization.

1381589196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681290 (or 681275 counting only the distinct ones).

The product of its digits is 466560, while the sum is 51.

The square root of 1381589196 is about 37169.7349465933. The cubic root of 1381589196 is about 1113.7634870344.

The spelling of 1381589196 in words is "one billion, three hundred eighty-one million, five hundred eighty-nine thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 338 507 676 1014 2028 681257 1362514 2043771 2725028 4087542 8175084 8856341 17712682 26569023 35425364 53138046 106276092 115132433 230264866 345397299 460529732 690794598 1381589196