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1380873096 = 233413116267
BaseRepresentation
bin101001001001110…
…0111001110001000
310120020100121210000
41102103213032020
510312000414341
6345004523000
746135141041
oct12223471610
93506317700
101380873096
11649515439
12326550460
13190112895
14d15738c8
15813678b6
hex524e7388

1380873096 has 80 divisors (see below), whose sum is σ = 3897487440. Its totient is φ = 456749280.

The previous prime is 1380873049. The next prime is 1380873097. The reversal of 1380873096 is 6903780831.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1380873097) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 76755 + ... + 93021.

It is an arithmetic number, because the mean of its divisors is an integer number (48718593).

Almost surely, 21380873096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380873096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1948743720).

1380873096 is an abundant number, since it is smaller than the sum of its proper divisors (2516614344).

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

1380873096 is a wasteful number, since it uses less digits than its factorization.

1380873096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16416 (or 16403 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1380873096 is about 37160.1008610041. The cubic root of 1380873096 is about 1113.5710265760.

The spelling of 1380873096 in words is "one billion, three hundred eighty million, eight hundred seventy-three thousand, ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 131 162 216 262 324 393 524 648 786 1048 1179 1572 2358 3144 3537 4716 7074 9432 10611 14148 16267 21222 28296 32534 42444 48801 65068 84888 97602 130136 146403 195204 292806 390408 439209 585612 878418 1171224 1317627 1756836 2130977 2635254 3513672 4261954 5270508 6392931 8523908 10541016 12785862 17047816 19178793 25571724 38357586 51143448 57536379 76715172 115072758 153430344 172609137 230145516 345218274 460291032 690436548 1380873096