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13150789 = 312631613
BaseRepresentation
bin110010001010…
…101001000101
3220202010111021
4302022221011
511331311124
61145511141
7216531331
oct62125105
926663437
1013150789
117472423
1244a24b1
132955a42
141a647c1
15124b7e4
hexc8aa45

13150789 has 8 divisors (see below), whose sum is σ = 13635072. Its totient is φ = 12670320.

The previous prime is 13150763. The next prime is 13150801. The reversal of 13150789 is 98705131.

It is a happy number.

13150789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13150789 - 25 = 13150757 is a prime.

It is a super-3 number, since 3×131507893 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13150759) 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, 7347 + ... + 8959.

It is an arithmetic number, because the mean of its divisors is an integer number (1704384).

Almost surely, 213150789 is an apocalyptic number.

It is an amenable number.

13150789 is a deficient number, since it is larger than the sum of its proper divisors (484283).

13150789 is a wasteful number, since it uses less digits than its factorization.

13150789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 13150789 is about 3626.4016600482. The cubic root of 13150789 is about 236.0390926814.

The spelling of 13150789 in words is "thirteen million, one hundred fifty thousand, seven hundred eighty-nine".

Divisors: 1 31 263 1613 8153 50003 424219 13150789