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14314220 = 22519139271
BaseRepresentation
bin110110100110…
…101011101100
3222221020102022
4312212223230
512131023340
61230445312
7232445264
oct66465354
928836368
1014314220
118097538
124963838
132c7246b
141c887a4
1513cb3b5
hexda6aec

14314220 has 48 divisors (see below), whose sum is σ = 31987200. Its totient is φ = 5365440.

The previous prime is 14314213. The next prime is 14314229. The reversal of 14314220 is 2241341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14314229) 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, 52685 + ... + 52955.

It is an arithmetic number, because the mean of its divisors is an integer number (666400).

Almost surely, 214314220 is an apocalyptic number.

14314220 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 14314220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15993600).

14314220 is an abundant number, since it is smaller than the sum of its proper divisors (17672980).

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

14314220 is a wasteful number, since it uses less digits than its factorization.

14314220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 436 counting only the distinct ones).

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

The square root of 14314220 is about 3783.4138023748. The cubic root of 14314220 is about 242.8040328747.

Adding to 14314220 its reverse (2241341), we get a palindrome (16555561).

The spelling of 14314220 in words is "fourteen million, three hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 139 190 271 278 380 542 556 695 1084 1355 1390 2641 2710 2780 5149 5282 5420 10298 10564 13205 20596 25745 26410 37669 51490 52820 75338 102980 150676 188345 376690 715711 753380 1431422 2862844 3578555 7157110 14314220