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11305801 = 135361269
BaseRepresentation
bin101011001000…
…001101001001
3210021101122101
4223020031021
510343241201
61042153401
7165045343
oct53101511
923241571
1011305801
116422241
123952861
13245b030
141704293
15ed4d01
hexac8349

11305801 has 16 divisors (see below), whose sum is σ = 12655440. Its totient is φ = 10033920.

The previous prime is 11305771. The next prime is 11305813. The reversal of 11305801 is 10850311.

It can be written as a sum of positive squares in 8 ways, for example, as 4096576 + 7209225 = 2024^2 + 2685^2 .

It is not a de Polignac number, because 11305801 - 211 = 11303753 is a prime.

It is a super-2 number, since 2×113058012 = 255642272503202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11305841) 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, 41895 + ... + 42163.

It is an arithmetic number, because the mean of its divisors is an integer number (790965).

Almost surely, 211305801 is an apocalyptic number.

It is an amenable number.

11305801 is a deficient number, since it is larger than the sum of its proper divisors (1349639).

11305801 is a wasteful number, since it uses less digits than its factorization.

11305801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 11305801 is about 3362.4099987955. The cubic root of 11305801 is about 224.4400959212.

The spelling of 11305801 in words is "eleven million, three hundred five thousand, eight hundred one".

Divisors: 1 13 53 61 269 689 793 3233 3497 14257 16409 42029 185341 213317 869677 11305801