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13177242 = 234136257
BaseRepresentation
bin110010010001…
…000110011010
3220210110210000
4302101012122
511333132432
61150233430
7220001421
oct62210632
926713700
1013177242
117490291
1244b5876
132964ab0
141a702b8
15125457c
hexc9119a

13177242 has 40 divisors (see below), whose sum is σ = 31803156. Its totient is φ = 4053888.

The previous prime is 13177207. The next prime is 13177243. The reversal of 13177242 is 24277131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12895281 + 281961 = 3591^2 + 531^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13177243) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1023 + ... + 5234.

Almost surely, 213177242 is an apocalyptic number.

13177242 is an abundant number, since it is smaller than the sum of its proper divisors (18625914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13177242 is a wasteful number, since it uses less digits than its factorization.

13177242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6284 (or 6275 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 13177242 is about 3630.0471071324. The cubic root of 13177242 is about 236.1972520181.

The spelling of 13177242 in words is "thirteen million, one hundred seventy-seven thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 234 351 702 1053 2106 6257 12514 18771 37542 56313 81341 112626 162682 168939 244023 337878 488046 506817 732069 1013634 1464138 2196207 4392414 6588621 13177242