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23031412 = 2213274339
BaseRepresentation
bin101011111011…
…0111001110100
31121100010011021
41113312321310
521344001122
62141350524
7366522655
oct127667164
947303137
1023031412
1112000928
127868444
134a05171
1430b752c
15204e1c7
hex15f6e74

23031412 has 12 divisors (see below), whose sum is σ = 40344640. Its totient is φ = 11504376.

The previous prime is 23031409. The next prime is 23031461. The reversal of 23031412 is 21413032.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3139 + ... + 7477.

Almost surely, 223031412 is an apocalyptic number.

It is an amenable number.

23031412 is a deficient number, since it is larger than the sum of its proper divisors (17313228).

23031412 is a wasteful number, since it uses less digits than its factorization.

23031412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670 (or 5668 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23031412 is about 4799.1053332887. The cubic root of 23031412 is about 284.5161051048.

Adding to 23031412 its reverse (21413032), we get a palindrome (44444444).

The spelling of 23031412 in words is "twenty-three million, thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 1327 2654 4339 5308 8678 17356 5757853 11515706 23031412