Search a number
-
+
1938848094 = 232577186679
BaseRepresentation
bin111001110010000…
…0111100101011110
312000010021200120200
41303210013211132
512432321114334
6520220124330
766021636231
oct16344074536
95003250520
101938848094
1190547a2a7
124613966a6
1324b8b5cc1
141456db418
15b5333799
hex7390795e

1938848094 has 24 divisors (see below), whose sum is σ = 4208140560. Its totient is φ = 645159168.

The previous prime is 1938848059. The next prime is 1938848101. The reversal of 1938848094 is 4908488391.

It is a self number, because there is not a number n which added to its sum of digits gives 1938848094.

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 11 ways as a sum of consecutive naturals, for example, 82954 + ... + 103725.

It is an arithmetic number, because the mean of its divisors is an integer number (175339190).

Almost surely, 21938848094 is an apocalyptic number.

1938848094 is an abundant number, since it is smaller than the sum of its proper divisors (2269292466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1938848094 is a wasteful number, since it uses less digits than its factorization.

1938848094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187264 (or 187261 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 1938848094 is about 44032.3528101781. The cubic root of 1938848094 is about 1246.9468085427.

The spelling of 1938848094 in words is "one billion, nine hundred thirty-eight million, eight hundred forty-eight thousand, ninety-four".

Divisors: 1 2 3 6 9 18 577 1154 1731 3462 5193 10386 186679 373358 560037 1120074 1680111 3360222 107713783 215427566 323141349 646282698 969424047 1938848094