Search a number
-
+
192450749 is a prime number
BaseRepresentation
bin10110111100010…
…01000010111101
3111102010111210112
423132021002331
5343231410444
631032515405
74524542621
oct1336110275
9442114715
10192450749
11996a7107
125454bb65
1330b430aa
141b7b9181
1511d6769e
hexb7890bd

192450749 has 2 divisors, whose sum is σ = 192450750. Its totient is φ = 192450748.

The previous prime is 192450701. The next prime is 192450773. The reversal of 192450749 is 947054291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180768025 + 11682724 = 13445^2 + 3418^2 .

It is a cyclic number.

It is not a de Polignac number, because 192450749 - 28 = 192450493 is a prime.

It is a super-2 number, since 2×1924507492 = 74074581581322002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192450799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96225374 + 96225375.

It is an arithmetic number, because the mean of its divisors is an integer number (96225375).

Almost surely, 2192450749 is an apocalyptic number.

It is an amenable number.

192450749 is a deficient number, since it is larger than the sum of its proper divisors (1).

192450749 is an equidigital number, since it uses as much as digits as its factorization.

192450749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 192450749 is about 13872.6619291324. The cubic root of 192450749 is about 577.3509284590.

The spelling of 192450749 in words is "one hundred ninety-two million, four hundred fifty thousand, seven hundred forty-nine".