Search a number
-
+
1381422835 = 513197914159
BaseRepresentation
bin101001001010110…
…1101011011110011
310120021101112212201
41102111231123303
510312121012320
6345024404031
746142620552
oct12225553363
93507345781
101381422835
11649860471
12326776617
13190275b80
14d1677d99
158142570a
hex5256d6f3

1381422835 has 32 divisors (see below), whose sum is σ = 1903104000. Its totient is φ = 954135936.

The previous prime is 1381422829. The next prime is 1381422841. The reversal of 1381422835 is 5382241831.

It is an interprime number because it is at equal distance from previous prime (1381422829) and next prime (1381422841).

It is a de Polignac number, because none of the positive numbers 2k-1381422835 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1381422794 and 1381422803.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90486 + ... + 104644.

It is an arithmetic number, because the mean of its divisors is an integer number (59472000).

Almost surely, 21381422835 is an apocalyptic number.

1381422835 is a deficient number, since it is larger than the sum of its proper divisors (521681165).

1381422835 is a wasteful number, since it uses less digits than its factorization.

1381422835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14275.

The product of its digits is 46080, while the sum is 37.

The square root of 1381422835 is about 37167.4970236092. The cubic root of 1381422835 is about 1113.7187814529.

The spelling of 1381422835 in words is "one billion, three hundred eighty-one million, four hundred twenty-two thousand, eight hundred thirty-five".

Divisors: 1 5 13 19 65 79 95 247 395 1027 1235 1501 5135 7505 14159 19513 70795 97565 184067 269021 920335 1118561 1345105 3497273 5592805 14541293 17486365 21252659 72706465 106263295 276284567 1381422835