Search a number
-
+
1214244402 = 23724199857
BaseRepresentation
bin100100001011111…
…1110011000110010
310010121211000011220
41020113332120302
54441321310102
6320253245510
742042623100
oct11027763062
93117730156
101214244402
11573455878
1229a793896
13164740c17
14b739ac70
15719011bc
hex485fe632

1214244402 has 48 divisors (see below), whose sum is σ = 2832006240. Its totient is φ = 346063872.

The previous prime is 1214244401. The next prime is 1214244407. The reversal of 1214244402 is 2044424121.

1214244402 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1214244401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118258 + ... + 128114.

It is an arithmetic number, because the mean of its divisors is an integer number (59000130).

Almost surely, 21214244402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214244402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416003120).

1214244402 is an abundant number, since it is smaller than the sum of its proper divisors (1617761838).

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

1214244402 is a wasteful number, since it uses less digits than its factorization.

1214244402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10295 (or 10288 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1214244402 is about 34846.0098433092. The cubic root of 1214244402 is about 1066.8467453563.

Adding to 1214244402 its reverse (2044424121), we get a palindrome (3258668523).

The spelling of 1214244402 in words is "one billion, two hundred fourteen million, two hundred forty-four thousand, four hundred two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 419 838 1257 2514 2933 5866 8799 9857 17598 19714 20531 29571 41062 59142 61593 68999 123186 137998 206997 413994 482993 965986 1448979 2897958 4130083 8260166 12390249 24780498 28910581 57821162 86731743 173463486 202374067 404748134 607122201 1214244402