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13161414 = 2371916493
BaseRepresentation
bin110010001101…
…001111000110
3220202200001210
4302031033012
511332131124
61150032250
7216604320
oct62151706
926680053
1013161414
11747a402
1244a8686
13295a826
141a68610
15124ea29
hexc8d3c6

13161414 has 32 divisors (see below), whose sum is σ = 31668480. Its totient is φ = 3562272.

The previous prime is 13161403. The next prime is 13161419. The reversal of 13161414 is 41416131.

13161414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

13161414 is a modest number, since divided by 1414 gives 1316 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7449 + ... + 9044.

It is an arithmetic number, because the mean of its divisors is an integer number (989640).

Almost surely, 213161414 is an apocalyptic number.

13161414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13161414 is an abundant number, since it is smaller than the sum of its proper divisors (18507066).

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

13161414 is a wasteful number, since it uses less digits than its factorization.

13161414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16524.

The product of its digits is 288, while the sum is 21.

The square root of 13161414 is about 3627.8663150673. The cubic root of 13161414 is about 236.1026437543.

Adding to 13161414 its reverse (41416131), we get a palindrome (54577545).

The spelling of 13161414 in words is "thirteen million, one hundred sixty-one thousand, four hundred fourteen".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 16493 32986 49479 98958 115451 230902 313367 346353 626734 692706 940101 1880202 2193569 4387138 6580707 13161414