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14921040 = 243562171
BaseRepresentation
bin111000111010…
…110101010000
31001002001211010
4320322311100
512304433130
61251450520
7240553401
oct70726520
931061733
1014921040
118471442
124bb6a40
133125724
141da59a8
15149b0b0
hexe3ad50

14921040 has 40 divisors (see below), whose sum is σ = 46255968. Its totient is φ = 3978880.

The previous prime is 14921029. The next prime is 14921059. The reversal of 14921040 is 4012941.

14921040 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 14920998 and 14921016.

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, 30846 + ... + 31325.

Almost surely, 214921040 is an apocalyptic number.

14921040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14921040 is an abundant number, since it is smaller than the sum of its proper divisors (31334928).

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

14921040 is a wasteful number, since it uses less digits than its factorization.

14921040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62187 (or 62181 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 14921040 is about 3862.7762037167. The cubic root of 14921040 is about 246.1877078817.

Adding to 14921040 its reverse (4012941), we get a palindrome (18933981).

The spelling of 14921040 in words is "fourteen million, nine hundred twenty-one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 62171 124342 186513 248684 310855 373026 497368 621710 746052 932565 994736 1243420 1492104 1865130 2486840 2984208 3730260 4973680 7460520 14921040