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1390103847 = 321114041453
BaseRepresentation
bin101001011011011…
…0100110100100111
310120212201120222200
41102312310310213
510321331310342
6345534425543
746306454616
oct12266646447
93525646880
101390103847
1165374a660
123296622b3
13191cc5272
14d289787d
158208c94c
hex52db4d27

1390103847 has 12 divisors (see below), whose sum is σ = 2190466824. Its totient is φ = 842487120.

The previous prime is 1390103843. The next prime is 1390103849. The reversal of 1390103847 is 7483010931.

It is a happy number.

It is not a de Polignac number, because 1390103847 - 22 = 1390103843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390103843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7020628 + ... + 7020825.

It is an arithmetic number, because the mean of its divisors is an integer number (182538902).

Almost surely, 21390103847 is an apocalyptic number.

1390103847 is a deficient number, since it is larger than the sum of its proper divisors (800362977).

1390103847 is a wasteful number, since it uses less digits than its factorization.

1390103847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14041470 (or 14041467 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1390103847 is about 37284.0964353436. The cubic root of 1390103847 is about 1116.0468218495.

The spelling of 1390103847 in words is "one billion, three hundred ninety million, one hundred three thousand, eight hundred forty-seven".

Divisors: 1 3 9 11 33 99 14041453 42124359 126373077 154455983 463367949 1390103847