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12141402 = 2371337601
BaseRepresentation
bin101110010100…
…001101011010
3211211211212120
4232110031122
511102011102
61112122110
7205125450
oct56241532
924754776
1012141402
116943019
124096336
132691480
1418809d0
1510ec6bc
hexb9435a

12141402 has 64 divisors (see below), whose sum is σ = 30745344. Its totient is φ = 3110400.

The previous prime is 12141377. The next prime is 12141403. The reversal of 12141402 is 20414121.

12141402 is digitally balanced in base 2, 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 (12141403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19902 + ... + 20502.

It is an arithmetic number, because the mean of its divisors is an integer number (480396).

Almost surely, 212141402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12141402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15372672).

12141402 is an abundant number, since it is smaller than the sum of its proper divisors (18603942).

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

12141402 is a wasteful number, since it uses less digits than its factorization.

12141402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 12141402 is about 3484.4514632866. The cubic root of 12141402 is about 229.8385887033.

Adding to 12141402 its reverse (20414121), we get a palindrome (32555523).

The spelling of 12141402 in words is "twelve million, one hundred forty-one thousand, four hundred two".

Divisors: 1 2 3 6 7 13 14 21 26 37 39 42 74 78 91 111 182 222 259 273 481 518 546 601 777 962 1202 1443 1554 1803 2886 3367 3606 4207 6734 7813 8414 10101 12621 15626 20202 22237 23439 25242 44474 46878 54691 66711 109382 133422 155659 164073 289081 311318 328146 466977 578162 867243 933954 1734486 2023567 4047134 6070701 12141402