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13029023 = 713211409
BaseRepresentation
bin110001101100…
…111010011111
3220111221110102
4301230322133
511313412043
61143131315
7215513330
oct61547237
926457412
1013029023
117399997
124443b3b
1329124a7
141a32287
1512256b8
hexc6ce9f

13029023 has 8 divisors (see below), whose sum is σ = 14912160. Its totient is φ = 11151360.

The previous prime is 13029019. The next prime is 13029053. The reversal of 13029023 is 32092031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13029023 - 22 = 13029019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13028986 and 13029004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13029053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8543 + ... + 9951.

It is an arithmetic number, because the mean of its divisors is an integer number (1864020).

Almost surely, 213029023 is an apocalyptic number.

13029023 is a deficient number, since it is larger than the sum of its proper divisors (1883137).

13029023 is a wasteful number, since it uses less digits than its factorization.

13029023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 13029023 is about 3609.5737975556. The cubic root of 13029023 is about 235.3083202199.

The spelling of 13029023 in words is "thirteen million, twenty-nine thousand, twenty-three".

Divisors: 1 7 1321 1409 9247 9863 1861289 13029023