Search a number
-
+
1385589244 = 221326645947
BaseRepresentation
bin101001010010110…
…0110100111111100
310120120020020010011
41102211212213330
510314202323434
6345253553004
746223212534
oct12245464774
93516206104
101385589244
11651146786
12328045764
131910a43c0
14d20404c4
1581999e64
hex529669fc

1385589244 has 12 divisors (see below), whose sum is σ = 2611302904. Its totient is φ = 639502704.

The previous prime is 1385589223. The next prime is 1385589251. The reversal of 1385589244 is 4429855831.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 13322922 + ... + 13323025.

Almost surely, 21385589244 is an apocalyptic number.

It is an amenable number.

1385589244 is a deficient number, since it is larger than the sum of its proper divisors (1225713660).

1385589244 is a wasteful number, since it uses less digits than its factorization.

1385589244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26645964 (or 26645962 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 49.

The square root of 1385589244 is about 37223.5039188951. The cubic root of 1385589244 is about 1114.8373264391.

The spelling of 1385589244 in words is "one billion, three hundred eighty-five million, five hundred eighty-nine thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 26645947 53291894 106583788 346397311 692794622 1385589244