Search a number
-
+
106641247 = 435373641
BaseRepresentation
bin1100101101100…
…11011101011111
321102122221021211
412112303131133
5204300004442
614325405251
72433302266
oct626633537
9242587254
10106641247
1155218169
122b869827
131912a63b
141023d5dd
159567617
hex65b375f

106641247 has 16 divisors (see below), whose sum is σ = 112879008. Its totient is φ = 100638720.

The previous prime is 106641239. The next prime is 106641257. The reversal of 106641247 is 742146601.

It is a cyclic number.

It is not a de Polignac number, because 106641247 - 23 = 106641239 is a prime.

It is a super-2 number, since 2×1066412472 = 22744711123430018, which contains 22 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 (106641257) 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, 166047 + ... + 166687.

It is an arithmetic number, because the mean of its divisors is an integer number (7054938).

Almost surely, 2106641247 is an apocalyptic number.

106641247 is a deficient number, since it is larger than the sum of its proper divisors (6237761).

106641247 is an equidigital number, since it uses as much as digits as its factorization.

106641247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 106641247 is about 10326.7248922396. The cubic root of 106641247 is about 474.2147646714.

Adding to 106641247 its reverse (742146601), we get a palindrome (848787848).

It can be divided in two parts, 10664 and 1247, that added together give a palindrome (11911).

The spelling of 106641247 in words is "one hundred six million, six hundred forty-one thousand, two hundred forty-seven".

Divisors: 1 43 53 73 641 2279 3139 3869 27563 33973 46793 166367 1460839 2012099 2480029 106641247