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1380886432 = 25212920269
BaseRepresentation
bin101001001001110…
…1010011110100000
310120020101022001221
41102103222132200
510312001331212
6345005104424
746135224652
oct12223523640
93506338057
101380886432
11649524462
12326558114
13190118983
14d15786d2
158136b807
hex524ea7a0

1380886432 has 24 divisors (see below), whose sum is σ = 2720031300. Its totient is φ = 690084864.

The previous prime is 1380886343. The next prime is 1380886453. The reversal of 1380886432 is 2346880831.

It can be written as a sum of positive squares in 2 ways, for example, as 1380568336 + 318096 = 37156^2 + 564^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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, 57994 + ... + 78262.

Almost surely, 21380886432 is an apocalyptic number.

It is an amenable number.

1380886432 is a deficient number, since it is larger than the sum of its proper divisors (1339144868).

1380886432 is a wasteful number, since it uses less digits than its factorization.

1380886432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22408 (or 22400 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 1380886432 is about 37160.2803003422. The cubic root of 1380886432 is about 1113.5746113938.

The spelling of 1380886432 in words is "one billion, three hundred eighty million, eight hundred eighty-six thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 2129 4258 8516 17032 20269 34064 40538 68128 81076 162152 324304 648608 43152701 86305402 172610804 345221608 690443216 1380886432