Search a number
-
+
455141989 = 597997649
BaseRepresentation
bin11011001000001…
…110101001100101
31011201102121102201
4123020032221211
51413004020424
6113055134501
714164433401
oct3310165145
91151377381
10455141989
11213a08a05
12108514431
13733aa2b3
144463a101
1529e56d44
hex1b20ea65

455141989 has 8 divisors (see below), whose sum is σ = 468720000. Its totient is φ = 441759552.

The previous prime is 455141957. The next prime is 455142001. The reversal of 455141989 is 989141554.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 455141989 - 25 = 455141957 is a prime.

It is a super-2 number, since 2×4551419892 = 414308460301752242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455141189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44164 + ... + 53485.

It is an arithmetic number, because the mean of its divisors is an integer number (58590000).

Almost surely, 2455141989 is an apocalyptic number.

It is an amenable number.

455141989 is a deficient number, since it is larger than the sum of its proper divisors (13578011).

455141989 is an equidigital number, since it uses as much as digits as its factorization.

455141989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97787.

The product of its digits is 259200, while the sum is 46.

The square root of 455141989 is about 21334.0570215794. The cubic root of 455141989 is about 769.2171663833.

The spelling of 455141989 in words is "four hundred fifty-five million, one hundred forty-one thousand, nine hundred eighty-nine".

Divisors: 1 59 79 4661 97649 5761291 7714271 455141989