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14920180 = 2251167819
BaseRepresentation
bin111000111010…
…100111110100
31001002000122021
4320322213310
512304421210
61251442524
7240551032
oct70724764
931060567
1014920180
118470830
124bb6444
133125212
141da5552
15149abda
hexe3a9f4

14920180 has 24 divisors (see below), whose sum is σ = 34181280. Its totient is φ = 5425440.

The previous prime is 14920151. The next prime is 14920201. The reversal of 14920180 is 8102941.

It is a happy number.

It is a super-2 number, since 2×149201802 = 445223542464800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33690 + ... + 34129.

It is an arithmetic number, because the mean of its divisors is an integer number (1424220).

Almost surely, 214920180 is an apocalyptic number.

14920180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14920180 is an abundant number, since it is smaller than the sum of its proper divisors (19261100).

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

14920180 is a wasteful number, since it uses less digits than its factorization.

14920180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67839 (or 67837 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 14920180 is about 3862.6648832121. The cubic root of 14920180 is about 246.1829779724.

The spelling of 14920180 in words is "fourteen million, nine hundred twenty thousand, one hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 67819 135638 271276 339095 678190 746009 1356380 1492018 2984036 3730045 7460090 14920180