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11312210 = 2571331401
BaseRepresentation
bin101011001001…
…110001010010
3210021201102202
4223021301102
510343442320
61042243202
7165103130
oct53116122
923251382
1011312210
116427038
123956502
132460c20
141706750
15ed6b75
hexac9c52

11312210 has 64 divisors (see below), whose sum is σ = 25933824. Its totient is φ = 3456000.

The previous prime is 11312209. The next prime is 11312221. The reversal of 11312210 is 1221311.

It is a junction number, because it is equal to n+sod(n) for n = 11312191 and 11312200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28010 + ... + 28410.

It is an arithmetic number, because the mean of its divisors is an integer number (405216).

Almost surely, 211312210 is an apocalyptic number.

11312210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312210 is an abundant number, since it is smaller than the sum of its proper divisors (14621614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11312210 is a wasteful number, since it uses less digits than its factorization.

11312210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11312210 is about 3363.3629004316. The cubic root of 11312210 is about 224.4824978957.

Adding to 11312210 its reverse (1221311), we get a palindrome (12533521).

The spelling of 11312210 in words is "eleven million, three hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 7 10 13 14 26 31 35 62 65 70 91 130 155 182 217 310 401 403 434 455 802 806 910 1085 2005 2015 2170 2807 2821 4010 4030 5213 5614 5642 10426 12431 14035 14105 24862 26065 28070 28210 36491 52130 62155 72982 87017 124310 161603 174034 182455 323206 364910 435085 808015 870170 1131221 1616030 2262442 5656105 11312210