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14949220 = 22511135227
BaseRepresentation
bin111001000001…
…101101100100
31001010111110211
4321001231210
512311333340
61252225204
7241031506
oct71015544
931114424
1014949220
118490630
12500b204
1331354c0
141db1d76
1514a45ea
hexe41b64

14949220 has 48 divisors (see below), whose sum is σ = 36888768. Its totient is φ = 5016960.

The previous prime is 14949217. The next prime is 14949227. The reversal of 14949220 is 2294941.

14949220 = T856 + T857 + ... + T894.

It is a happy number.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (14949227) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 247 + ... + 5473.

It is an arithmetic number, because the mean of its divisors is an integer number (768516).

Almost surely, 214949220 is an apocalyptic number.

14949220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14949220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18444384).

14949220 is an abundant number, since it is smaller than the sum of its proper divisors (21939548).

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

14949220 is a wasteful number, since it uses less digits than its factorization.

14949220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260 (or 5258 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 14949220 is about 3866.4221187035. The cubic root of 14949220 is about 246.3425944655.

The spelling of 14949220 in words is "fourteen million, nine hundred forty-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 5227 10454 20908 26135 52270 57497 67951 104540 114994 135902 229988 271804 287485 339755 574970 679510 747461 1149940 1359020 1494922 2989844 3737305 7474610 14949220