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14728500 = 2233531091
BaseRepresentation
bin111000001011…
…110100110100
31000201021201000
4320023310310
512232303000
61243403300
7236122143
oct70136464
930637630
1014728500
11834a816
124b23530
133088bb7
141d5575a
15145e000
hexe0bd34

14728500 has 96 divisors (see below), whose sum is σ = 47698560. Its totient is φ = 3924000.

The previous prime is 14728463. The next prime is 14728537. The reversal of 14728500 is 582741.

14728500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14728463) and next prime (14728537).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12955 + ... + 14045.

It is an arithmetic number, because the mean of its divisors is an integer number (496860).

Almost surely, 214728500 is an apocalyptic number.

14728500 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 14728500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23849280).

14728500 is an abundant number, since it is smaller than the sum of its proper divisors (32970060).

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

14728500 is a wasteful number, since it uses less digits than its factorization.

14728500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 14728500 is about 3837.7727916071. The cubic root of 14728500 is about 245.1241908200.

The spelling of 14728500 in words is "fourteen million, seven hundred twenty-eight thousand, five hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 90 100 108 125 135 150 180 225 250 270 300 375 450 500 540 675 750 900 1091 1125 1350 1500 2182 2250 2700 3273 3375 4364 4500 5455 6546 6750 9819 10910 13092 13500 16365 19638 21820 27275 29457 32730 39276 49095 54550 58914 65460 81825 98190 109100 117828 136375 147285 163650 196380 245475 272750 294570 327300 409125 490950 545500 589140 736425 818250 981900 1227375 1472850 1636500 2454750 2945700 3682125 4909500 7364250 14728500