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23031411 = 3131633623
BaseRepresentation
bin101011111011…
…0111001110011
31121100010011020
41113312321303
521344001121
62141350523
7366522654
oct127667163
947303136
1023031411
1112000927
127868443
134a05170
1430b752b
15204e1c6
hex15f6e73

23031411 has 16 divisors (see below), whose sum is σ = 33282816. Its totient is φ = 14082336.

The previous prime is 23031409. The next prime is 23031461. The reversal of 23031411 is 11413032.

It is not a de Polignac number, because 23031411 - 21 = 23031409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23031461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4546 + ... + 8168.

It is an arithmetic number, because the mean of its divisors is an integer number (2080176).

Almost surely, 223031411 is an apocalyptic number.

23031411 is a deficient number, since it is larger than the sum of its proper divisors (10251405).

23031411 is a wasteful number, since it uses less digits than its factorization.

23031411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 23031411 is about 4799.1052291026. The cubic root of 23031411 is about 284.5161009870.

Adding to 23031411 its reverse (11413032), we get a palindrome (34444443).

The spelling of 23031411 in words is "twenty-three million, thirty-one thousand, four hundred eleven".

Divisors: 1 3 13 39 163 489 2119 3623 6357 10869 47099 141297 590549 1771647 7677137 23031411