Search a number
-
+
23405102 = 2710316231
BaseRepresentation
bin101100101001…
…0001000101110
31122001002202122
41121102020232
521442430402
62153352542
7402640310
oct131221056
948032678
1023405102
1112236666
127a08752
134b06296
1431737b0
1520c4ca2
hex165222e

23405102 has 16 divisors (see below), whose sum is σ = 40515072. Its totient is φ = 9932760.

The previous prime is 23405101. The next prime is 23405111. The reversal of 23405102 is 20150432.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23405101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6674 + ... + 9557.

It is an arithmetic number, because the mean of its divisors is an integer number (2532192).

Almost surely, 223405102 is an apocalyptic number.

23405102 is a deficient number, since it is larger than the sum of its proper divisors (17109970).

23405102 is a wasteful number, since it uses less digits than its factorization.

23405102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16343.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23405102 is about 4837.8819745835. The cubic root of 23405102 is about 286.0466368924.

Adding to 23405102 its reverse (20150432), we get a palindrome (43555534).

The spelling of 23405102 in words is "twenty-three million, four hundred five thousand, one hundred two".

Divisors: 1 2 7 14 103 206 721 1442 16231 32462 113617 227234 1671793 3343586 11702551 23405102