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10814805 = 3251767211
BaseRepresentation
bin101001010000…
…010101010101
3202100110010100
4221100111111
510232033210
61023444313
7160632021
oct51202525
922313110
1010814805
116117361
123756699
1323186c1
141617381
15e395c0
hexa50555

10814805 has 48 divisors (see below), whose sum is σ = 20240064. Its totient is φ = 5322240.

The previous prime is 10814779. The next prime is 10814813. The reversal of 10814805 is 50841801.

It is not a de Polignac number, because 10814805 - 213 = 10806613 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51150 + ... + 51360.

It is an arithmetic number, because the mean of its divisors is an integer number (421668).

Almost surely, 210814805 is an apocalyptic number.

10814805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10814805 is the 1899-th octagonal number.

It is an amenable number.

10814805 is a deficient number, since it is larger than the sum of its proper divisors (9425259).

10814805 is a wasteful number, since it uses less digits than its factorization.

10814805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 10814805 is about 3288.5870826238. The cubic root of 10814805 is about 221.1428476640.

It can be divided in two parts, 1081 and 4805, that added together give a triangular number (5886 = T108).

The spelling of 10814805 in words is "ten million, eight hundred fourteen thousand, eight hundred five".

Divisors: 1 3 5 9 15 17 45 51 67 85 153 201 211 255 335 603 633 765 1005 1055 1139 1899 3015 3165 3417 3587 5695 9495 10251 10761 14137 17085 17935 32283 42411 51255 53805 70685 127233 161415 212055 240329 636165 720987 1201645 2162961 3604935 10814805