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23803029 = 3219139199
BaseRepresentation
bin101101011001…
…1010010010101
31122210022121200
41122303102111
522043144104
62210103113
7406215405
oct132632225
948708550
1023803029
1112488628
127b7aa99
134c15443
143238805
152152b39
hex16b3495

23803029 has 12 divisors (see below), whose sum is σ = 36192000. Its totient is φ = 15033384.

The previous prime is 23802983. The next prime is 23803033. The reversal of 23803029 is 92030832.

It is not a de Polignac number, because 23803029 - 28 = 23802773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23802993 and 23803011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23803049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69429 + ... + 69770.

It is an arithmetic number, because the mean of its divisors is an integer number (3016000).

Almost surely, 223803029 is an apocalyptic number.

It is an amenable number.

23803029 is a deficient number, since it is larger than the sum of its proper divisors (12388971).

23803029 is a wasteful number, since it uses less digits than its factorization.

23803029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139224 (or 139221 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 23803029 is about 4878.8347994168. The cubic root of 23803029 is about 287.6586305426.

The spelling of 23803029 in words is "twenty-three million, eight hundred three thousand, twenty-nine".

Divisors: 1 3 9 19 57 171 139199 417597 1252791 2644781 7934343 23803029