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1380500352 = 273271179197
BaseRepresentation
bin101001001001000…
…1100001110000000
310120012122200110200
41102102030032000
510311402002402
6344552525200
746132026240
oct12222141600
93505580420
101380500352
11649290390
123263b0800
1319001201a
14d14b7b20
15812e221c
hex5248c380

1380500352 has 384 divisors, whose sum is σ = 5040921600. Its totient is φ = 352235520.

The previous prime is 1380500291. The next prime is 1380500353. The reversal of 1380500352 is 2530050831.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380500353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7007518 + ... + 7007714.

It is an arithmetic number, because the mean of its divisors is an integer number (13127400).

Almost surely, 21380500352 is an apocalyptic number.

1380500352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380500352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2520460800).

1380500352 is an abundant number, since it is smaller than the sum of its proper divisors (3660421248).

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

1380500352 is a wasteful number, since it uses less digits than its factorization.

1380500352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1380500352 is about 37155.0851432210. The cubic root of 1380500352 is about 1113.4708208262.

The spelling of 1380500352 in words is "one billion, three hundred eighty million, five hundred thousand, three hundred fifty-two".