Search a number
-
+
1939733 is a prime number
BaseRepresentation
bin111011001100100010101
310122112210222
413121210111
5444032413
6105324125
722326125
oct7314425
93575728
101939733
111105394
12796645
1352bb93
14386c85
15284b08
hex1d9915

1939733 has 2 divisors, whose sum is σ = 1939734. Its totient is φ = 1939732.

The previous prime is 1939727. The next prime is 1939741. The reversal of 1939733 is 3379391.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1387684 + 552049 = 1178^2 + 743^2 .

It is an emirp because it is prime and its reverse (3379391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1939733 - 214 = 1923349 is a prime.

It is a super-2 number, since 2×19397332 = 7525128222578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1939693 and 1939702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1939753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969866 + 969867.

It is an arithmetic number, because the mean of its divisors is an integer number (969867).

21939733 is an apocalyptic number.

It is an amenable number.

1939733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1939733 is an equidigital number, since it uses as much as digits as its factorization.

1939733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15309, while the sum is 35.

The square root of 1939733 is about 1392.7429770062. The cubic root of 1939733 is about 124.7136485236.

The spelling of 1939733 in words is "one million, nine hundred thirty-nine thousand, seven hundred thirty-three".