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1380834368 = 2621575537
BaseRepresentation
bin101001001001101…
…1101110001000000
310120020021122122122
41102103131301000
510311443144433
6345004023412
746134620114
oct12223356100
93506248578
101380834368
11649499331
12326531b68
131900cb074
14d1563744
158135b198
hex524ddc40

1380834368 has 14 divisors (see below), whose sum is σ = 2740093326. Its totient is φ = 690417152.

The previous prime is 1380834359. The next prime is 1380834373. The reversal of 1380834368 is 8634380831.

It can be written as a sum of positive squares in only one way, i.e., 919787584 + 461046784 = 30328^2 + 21472^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10787705 + ... + 10787832.

Almost surely, 21380834368 is an apocalyptic number.

It is an amenable number.

1380834368 is a deficient number, since it is larger than the sum of its proper divisors (1359258958).

1380834368 is an equidigital number, since it uses as much as digits as its factorization.

1380834368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21575549 (or 21575539 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 1380834368 is about 37159.5797608100. The cubic root of 1380834368 is about 1113.5606160654.

The spelling of 1380834368 in words is "one billion, three hundred eighty million, eight hundred thirty-four thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 21575537 43151074 86302148 172604296 345208592 690417184 1380834368