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11030813 = 61672699
BaseRepresentation
bin101010000101…
…000100011101
3202202102102122
4222011010131
510310441223
61032232325
7162521543
oct52050435
922672378
1011030813
116254682
12383b6a5
132392b11
141671d93
15e7d5c8
hexa8511d

11030813 has 8 divisors (see below), whose sum is σ = 11383200. Its totient is φ = 10684080.

The previous prime is 11030809. The next prime is 11030827. The reversal of 11030813 is 31803011.

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 11030813 - 22 = 11030809 is a prime.

It is a super-3 number, since 3×110308133 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11030791 and 11030800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030863) 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, 2738 + ... + 5436.

It is an arithmetic number, because the mean of its divisors is an integer number (1422900).

Almost surely, 211030813 is an apocalyptic number.

It is an amenable number.

11030813 is a deficient number, since it is larger than the sum of its proper divisors (352387).

11030813 is an equidigital number, since it uses as much as digits as its factorization.

11030813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11030813 is about 3321.2667763972. The cubic root of 11030813 is about 222.6054745476.

Adding to 11030813 its reverse (31803011), we get a palindrome (42833824).

The spelling of 11030813 in words is "eleven million, thirty thousand, eight hundred thirteen".

Divisors: 1 61 67 2699 4087 164639 180833 11030813