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14245920 = 2532513761
BaseRepresentation
bin110110010110…
…000000100000
3222210202201200
4312112000200
512121332140
61225201200
7232042203
oct66260040
928722650
1014245920
118050197
124930200
132c4a350
141c6b93a
1513b6030
hexd96020

14245920 has 144 divisors (see below), whose sum is σ = 52422552. Its totient is φ = 3502080.

The previous prime is 14245919. The next prime is 14245961. The reversal of 14245920 is 2954241.

It can be written as a sum of positive squares in 4 ways, for example, as 3825936 + 10419984 = 1956^2 + 3228^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18340 + ... + 19100.

Almost surely, 214245920 is an apocalyptic number.

14245920 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 14245920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26211276).

14245920 is an abundant number, since it is smaller than the sum of its proper divisors (38176632).

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

14245920 is a wasteful number, since it uses less digits than its factorization.

14245920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 14245920 is about 3774.3767697462. The cubic root of 14245920 is about 242.4172389138.

The spelling of 14245920 in words is "fourteen million, two hundred forty-five thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 65 72 78 80 90 96 104 117 120 130 144 156 160 180 195 208 234 240 260 288 312 360 390 416 468 480 520 585 624 720 761 780 936 1040 1170 1248 1440 1522 1560 1872 2080 2283 2340 3044 3120 3744 3805 4566 4680 6088 6240 6849 7610 9132 9360 9893 11415 12176 13698 15220 18264 18720 19786 22830 24352 27396 29679 30440 34245 36528 39572 45660 49465 54792 59358 60880 68490 73056 79144 89037 91320 98930 109584 118716 121760 136980 148395 158288 178074 182640 197860 219168 237432 273960 296790 316576 356148 365280 395720 445185 474864 547920 593580 712296 791440 890370 949728 1095840 1187160 1424592 1582880 1780740 2374320 2849184 3561480 4748640 7122960 14245920