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14903980 = 22571319431
BaseRepresentation
bin111000110110…
…101010101100
31001001012102021
4320312222230
512303411410
61251235524
7240452560
oct70665254
931035367
1014903980
11845a643
124ba8ba4
13311aa30
141d9d6a0
151495eda
hexe36aac

14903980 has 96 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 4458240.

The previous prime is 14903969. The next prime is 14903981. The reversal of 14903980 is 8930941.

It is not an unprimeable number, because it can be changed into a prime (14903981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34365 + ... + 34795.

It is an arithmetic number, because the mean of its divisors is an integer number (423360).

Almost surely, 214903980 is an apocalyptic number.

14903980 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 14903980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20321280).

14903980 is an abundant number, since it is smaller than the sum of its proper divisors (25738580).

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

14903980 is a wasteful number, since it uses less digits than its factorization.

14903980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 14903980 is about 3860.5673158229. The cubic root of 14903980 is about 246.0938457025.

The spelling of 14903980 in words is "fourteen million, nine hundred three thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 13 14 19 20 26 28 35 38 52 65 70 76 91 95 130 133 140 182 190 247 260 266 364 380 431 455 494 532 665 862 910 988 1235 1330 1724 1729 1820 2155 2470 2660 3017 3458 4310 4940 5603 6034 6916 8189 8620 8645 11206 12068 15085 16378 17290 22412 28015 30170 32756 34580 39221 40945 56030 57323 60340 78442 81890 106457 112060 114646 156884 163780 196105 212914 229292 286615 392210 425828 532285 573230 745199 784420 1064570 1146460 1490398 2129140 2980796 3725995 7451990 14903980