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100008205 = 5111818331
BaseRepresentation
bin1011111011000…
…00000100001101
320222011221110121
411331200010031
5201100230310
613531304541
72323025053
oct575400415
9228157417
10100008205
11514a7710
12295ab151
131794746b
14d3d41d3
158ba70da
hex5f6010d

100008205 has 8 divisors (see below), whose sum is σ = 130919904. Its totient is φ = 72733200.

The previous prime is 100008199. The next prime is 100008217. The reversal of 100008205 is 502800001.

It is a happy number.

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

It is not a de Polignac number, because 100008205 - 211 = 100006157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909111 + ... + 909220.

It is an arithmetic number, because the mean of its divisors is an integer number (16364988).

Almost surely, 2100008205 is an apocalyptic number.

It is an amenable number.

100008205 is a deficient number, since it is larger than the sum of its proper divisors (30911699).

100008205 is a wasteful number, since it uses less digits than its factorization.

100008205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818347.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 100008205 is about 10000.4102415851. The cubic root of 100008205 is about 464.1715777596.

Adding to 100008205 its reverse (502800001), we get a palindrome (602808206).

The spelling of 100008205 in words is "one hundred million, eight thousand, two hundred five".

Divisors: 1 5 11 55 1818331 9091655 20001641 100008205