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100005311 = 7232921419
BaseRepresentation
bin1011111010111…
…11010110111111
320222011210111102
411331133112333
5201100132221
613531243315
72323013450
oct575372677
9228153442
10100005311
11514a551a
12295a953b
1317946053
14d3d3127
158ba630b
hex5f5f5bf

100005311 has 16 divisors (see below), whose sum is σ = 123379200. Its totient is φ = 79160928.

The previous prime is 100005307. The next prime is 100005313. The reversal of 100005311 is 113500001.

It is not a de Polignac number, because 100005311 - 22 = 100005307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100005292 and 100005301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100005313) 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, 6041 + ... + 15378.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2100005311 is an apocalyptic number.

100005311 is a deficient number, since it is larger than the sum of its proper divisors (23373889).

100005311 is a wasteful number, since it uses less digits than its factorization.

100005311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21478.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 100005311 is about 10000.2655464743. The cubic root of 100005311 is about 464.1671003752.

Adding to 100005311 its reverse (113500001), we get a palindrome (213505312).

The spelling of 100005311 in words is "one hundred million, five thousand, three hundred eleven".

Divisors: 1 7 23 29 161 203 667 4669 21419 149933 492637 621151 3448459 4348057 14286473 100005311