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23530629 = 329307881
BaseRepresentation
bin101100111000…
…0110010000101
31122021110221210
41121300302011
522010440004
62200202033
7404002263
oct131606205
948243853
1023530629
1112311a01
127a69319
134b4b465
1431a7433
1520ec089
hex1670c85

23530629 has 16 divisors (see below), whose sum is σ = 32598720. Its totient is φ = 15079680.

The previous prime is 23530609. The next prime is 23530673. The reversal of 23530629 is 92603532.

It is not a de Polignac number, because 23530629 - 27 = 23530501 is a prime.

It is a super-2 number, since 2×235306292 = 1107381002271282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23530596 and 23530605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23530609) 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 15 ways as a sum of consecutive naturals, for example, 26269 + ... + 27149.

It is an arithmetic number, because the mean of its divisors is an integer number (2037420).

Almost surely, 223530629 is an apocalyptic number.

23530629 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

23530629 is a deficient number, since it is larger than the sum of its proper divisors (9068091).

23530629 is a wasteful number, since it uses less digits than its factorization.

23530629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 23530629 is about 4850.8379688462. The cubic root of 23530629 is about 286.5571035847.

The spelling of 23530629 in words is "twenty-three million, five hundred thirty thousand, six hundred twenty-nine".

Divisors: 1 3 29 87 307 881 921 2643 8903 25549 26709 76647 270467 811401 7843543 23530629