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12227402 = 2111095099
BaseRepresentation
bin101110101001…
…001101001010
3212000012211202
4232221031022
511112234102
61114024202
7205634255
oct56511512
925005752
1012227402
1169a16a0
124118062
1326c1665
1418a409c
151117e02
hexba934a

12227402 has 16 divisors (see below), whose sum is σ = 20196000. Its totient is φ = 5505840.

The previous prime is 12227377. The next prime is 12227419. The reversal of 12227402 is 20472221.

It is a happy number.

12227402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×122274023 (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152 + ... + 4947.

It is an arithmetic number, because the mean of its divisors is an integer number (1262250).

Almost surely, 212227402 is an apocalyptic number.

12227402 is a deficient number, since it is larger than the sum of its proper divisors (7968598).

12227402 is a wasteful number, since it uses less digits than its factorization.

12227402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 12227402 is about 3496.7702240782. The cubic root of 12227402 is about 230.3799768197.

Adding to 12227402 its reverse (20472221), we get a palindrome (32699623).

The spelling of 12227402 in words is "twelve million, two hundred twenty-seven thousand, four hundred two".

Divisors: 1 2 11 22 109 218 1199 2398 5099 10198 56089 112178 555791 1111582 6113701 12227402