Search a number
-
+
106421479 = 1711355399
BaseRepresentation
bin1100101011111…
…01110011100111
321102020202211021
412111331303213
5204220441404
614320552011
72431365463
oct625756347
9242222737
10106421479
115508803a
122b782607
13190815b8
14101c34a3
159522454
hex657dce7

106421479 has 8 divisors (see below), whose sum is σ = 113680800. Its totient is φ = 99273216.

The previous prime is 106421473. The next prime is 106421507. The reversal of 106421479 is 974124601.

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

It is a cyclic number.

It is not a de Polignac number, because 106421479 - 29 = 106420967 is a prime.

It is a super-2 number, since 2×1064214792 = 22651062385094882, 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 (106421473) 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, 25779 + ... + 29620.

It is an arithmetic number, because the mean of its divisors is an integer number (14210100).

Almost surely, 2106421479 is an apocalyptic number.

106421479 is a deficient number, since it is larger than the sum of its proper divisors (7259321).

106421479 is a wasteful number, since it uses less digits than its factorization.

106421479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55529.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 106421479 is about 10316.0786639110. The cubic root of 106421479 is about 473.8887841643. Note that the first 3 decimals are identical.

It can be divided in two parts, 10642 and 1479, that added together give a palindrome (12121).

The spelling of 106421479 in words is "one hundred six million, four hundred twenty-one thousand, four hundred seventy-nine".

Divisors: 1 17 113 1921 55399 941783 6260087 106421479