Search a number
-
+
1939356 = 223317957
BaseRepresentation
bin111011001011110011100
310122112022000
413121132130
5444024411
6105322300
722325046
oct7313634
93575260
101939356
111105081
12796390
1352b963
14386a96
15284956
hex1d979c

1939356 has 24 divisors (see below), whose sum is σ = 5028240. Its totient is φ = 646416.

The previous prime is 1939351. The next prime is 1939363. The reversal of 1939356 is 6539391.

It is a super-2 number, since 2×19393562 = 7522203389472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1939356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939351) 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 7 ways as a sum of consecutive naturals, for example, 8871 + ... + 9086.

It is an arithmetic number, because the mean of its divisors is an integer number (209510).

21939356 is an apocalyptic number.

It is an amenable number.

1939356 is an abundant number, since it is smaller than the sum of its proper divisors (3088884).

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

1939356 is a wasteful number, since it uses less digits than its factorization.

1939356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17970 (or 17962 counting only the distinct ones).

The product of its digits is 21870, while the sum is 36.

The square root of 1939356 is about 1392.6076260024. The cubic root of 1939356 is about 124.7055683579.

The spelling of 1939356 in words is "one million, nine hundred thirty-nine thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 17957 35914 53871 71828 107742 161613 215484 323226 484839 646452 969678 1939356