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1390848922 = 26111400401
BaseRepresentation
bin101001011100110…
…1010101110011010
310120221010110001001
41102321222232122
510322024131142
6350002415214
746316010061
oct12271525632
93527113031
101390848922
11654109421
1232996150a
131921c6438
14d2a0d1d8
15821885b7
hex52e6ab9a

1390848922 has 8 divisors (see below), whose sum is σ = 2120474772. Its totient is φ = 684024000.

The previous prime is 1390848919. The next prime is 1390848923. The reversal of 1390848922 is 2298480931.

It can be written as a sum of positive squares in 2 ways, for example, as 1383170481 + 7678441 = 37191^2 + 2771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1390848923) 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 3 ways as a sum of consecutive naturals, for example, 5700079 + ... + 5700322.

Almost surely, 21390848922 is an apocalyptic number.

1390848922 is a deficient number, since it is larger than the sum of its proper divisors (729625850).

1390848922 is a wasteful number, since it uses less digits than its factorization.

1390848922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11400464.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1390848922 is about 37294.0869575862. The cubic root of 1390848922 is about 1116.2461810719.

The spelling of 1390848922 in words is "one billion, three hundred ninety million, eight hundred forty-eight thousand, nine hundred twenty-two".

Divisors: 1 2 61 122 11400401 22800802 695424461 1390848922