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14963920 = 245187049
BaseRepresentation
bin111001000101…
…010011010000
31001011020122021
4321011103100
512312321140
61252421224
7241122406
oct71052320
931136567
1014963920
1184a0684
125017814
13313c0ba
141db7476
1514a8b4a
hexe454d0

14963920 has 20 divisors (see below), whose sum is σ = 34791300. Its totient is φ = 5985536.

The previous prime is 14963891. The next prime is 14963929. The reversal of 14963920 is 2936941.

It can be written as a sum of positive squares in 2 ways, for example, as 3968064 + 10995856 = 1992^2 + 3316^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14963929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93445 + ... + 93604.

It is an arithmetic number, because the mean of its divisors is an integer number (1739565).

Almost surely, 214963920 is an apocalyptic number.

14963920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14963920 is an abundant number, since it is smaller than the sum of its proper divisors (19827380).

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

14963920 is a wasteful number, since it uses less digits than its factorization.

14963920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187062 (or 187056 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 14963920 is about 3868.3226339074. The cubic root of 14963920 is about 246.4233132773.

The spelling of 14963920 in words is "fourteen million, nine hundred sixty-three thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 187049 374098 748196 935245 1496392 1870490 2992784 3740980 7481960 14963920