Search a number
-
+
1449469850 = 25228989397
BaseRepresentation
bin101011001100101…
…0010011110011010
310202000102200211112
41112121102132122
510432031013400
6355455100322
750630201423
oct12631223632
93660380745
101449469850
11684208174
123455116a2
131a13ac78a
14da70c64a
15873b7835
hex5665279a

1449469850 has 12 divisors (see below), whose sum is σ = 2696014014. Its totient is φ = 579787920.

The previous prime is 1449469849. The next prime is 1449469859. The reversal of 1449469850 is 589649441.

It can be written as a sum of positive squares in 3 ways, for example, as 548449561 + 901020289 = 23419^2 + 30017^2 .

It is a super-3 number, since 3×14494698503 (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 28989397 = 1449469850 / (1 + 4 + 4 + 9 + 4 + 6 + 9 + 8 + 5 + 0).

It is not an unprimeable number, because it can be changed into a prime (1449469859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14494649 + ... + 14494748.

Almost surely, 21449469850 is an apocalyptic number.

1449469850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1449469850 is a deficient number, since it is larger than the sum of its proper divisors (1246544164).

1449469850 is a wasteful number, since it uses less digits than its factorization.

1449469850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28989409 (or 28989404 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 1449469850 is about 38071.9036823745. The cubic root of 1449469850 is about 1131.7132364097.

The spelling of 1449469850 in words is "one billion, four hundred forty-nine million, four hundred sixty-nine thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 28989397 57978794 144946985 289893970 724734925 1449469850