Search a number
-
+
126693 = 3272011
BaseRepresentation
bin11110111011100101
320102210100
4132323211
513023233
62414313
71035240
oct367345
9212710
10126693
1187206
1261399
1345888
1434257
1527813
hex1eee5

126693 has 12 divisors (see below), whose sum is σ = 209248. Its totient is φ = 72360.

The previous prime is 126691. The next prime is 126703. The reversal of 126693 is 396621.

It is a happy number.

It is not a de Polignac number, because 126693 - 21 = 126691 is a prime.

It is a super-2 number, since 2×1266932 = 32102232498, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 23 + 64 + 66 + 95 + 39 .

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 943 + ... + 1068.

2126693 is an apocalyptic number.

It is an amenable number.

126693 is a deficient number, since it is larger than the sum of its proper divisors (82555).

126693 is a wasteful number, since it uses less digits than its factorization.

126693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024 (or 2021 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 126693 is about 355.9396016180. The cubic root of 126693 is about 50.2247218223.

The spelling of 126693 in words is "one hundred twenty-six thousand, six hundred ninety-three".

Divisors: 1 3 7 9 21 63 2011 6033 14077 18099 42231 126693