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14746640 = 245184333
BaseRepresentation
bin111000010000…
…010000010000
31000202012120212
4320100100100
512233343030
61244023252
7236226056
oct70202020
930665525
1014746640
118362407
124b31b28
13309422c
141d5c1d6
151464595
hexe10410

14746640 has 20 divisors (see below), whose sum is σ = 34286124. Its totient is φ = 5898624.

The previous prime is 14746639. The next prime is 14746651. The reversal of 14746640 is 4664741.

It can be written as a sum of positive squares in 2 ways, for example, as 3671056 + 11075584 = 1916^2 + 3328^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 14746597 and 14746606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92087 + ... + 92246.

Almost surely, 214746640 is an apocalyptic number.

14746640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14746640 is an abundant number, since it is smaller than the sum of its proper divisors (19539484).

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

14746640 is a wasteful number, since it uses less digits than its factorization.

14746640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184346 (or 184340 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 14746640 is about 3840.1354142790. The cubic root of 14746640 is about 245.2247832898.

The spelling of 14746640 in words is "fourteen million, seven hundred forty-six thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 184333 368666 737332 921665 1474664 1843330 2949328 3686660 7373320 14746640