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14620220 = 2253123581
BaseRepresentation
bin110111110001…
…011000111100
31000111210011122
4313301120330
512220321340
61241210112
7235161356
oct67613074
930453148
1014620220
11828642a
124a90938
13304b824
141d280d6
15143bdb5
hexdf163c

14620220 has 24 divisors (see below), whose sum is σ = 31694208. Its totient is φ = 5659200.

The previous prime is 14620219. The next prime is 14620241. The reversal of 14620220 is 2202641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11171 + ... + 12410.

It is an arithmetic number, because the mean of its divisors is an integer number (1320592).

Almost surely, 214620220 is an apocalyptic number.

14620220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14620220 is an abundant number, since it is smaller than the sum of its proper divisors (17073988).

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

14620220 is a wasteful number, since it uses less digits than its factorization.

14620220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23621 (or 23619 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 14620220 is about 3823.6396273708. The cubic root of 14620220 is about 244.5220168558.

Adding to 14620220 its reverse (2202641), we get a palindrome (16822861).

The spelling of 14620220 in words is "fourteen million, six hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 23581 47162 94324 117905 235810 471620 731011 1462022 2924044 3655055 7310110 14620220