Search a number
-
+
1393690419 = 321114077681
BaseRepresentation
bin101001100010010…
…0000011100110011
310121010110210211200
41103010200130303
510323241043134
6350143342243
746352113242
oct12304403463
93533423750
101393690419
1165577a270
1232a8b1983
1319297c8b4
14d314c959
158254a499
hex53120733

1393690419 has 12 divisors (see below), whose sum is σ = 2196118392. Its totient is φ = 844660800.

The previous prime is 1393690393. The next prime is 1393690457. The reversal of 1393690419 is 9140963931.

It is not a de Polignac number, because 1393690419 - 212 = 1393686323 is a prime.

It is a super-2 number, since 2×13936904192 = 3884745968024791122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1393690019) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 7038742 + ... + 7038939.

It is an arithmetic number, because the mean of its divisors is an integer number (183009866).

Almost surely, 21393690419 is an apocalyptic number.

1393690419 is a deficient number, since it is larger than the sum of its proper divisors (802427973).

1393690419 is a wasteful number, since it uses less digits than its factorization.

1393690419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14077698 (or 14077695 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 1393690419 is about 37332.1633313688. The cubic root of 1393690419 is about 1117.0058256735.

The spelling of 1393690419 in words is "one billion, three hundred ninety-three million, six hundred ninety thousand, four hundred nineteen".

Divisors: 1 3 9 11 33 99 14077681 42233043 126699129 154854491 464563473 1393690419