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20141288 = 237733257
BaseRepresentation
bin100110011010…
…1010011101000
31101220021122122
41030311103220
520124010123
61555410412
7333124646
oct114652350
941807578
1020141288
11104074a2
1268b3a08
13423282b
142964196
151b7cbc8
hex13354e8

20141288 has 16 divisors (see below), whose sum is σ = 37825380. Its totient is φ = 10054528.

The previous prime is 20141269. The next prime is 20141309. The reversal of 20141288 is 88214102.

It can be written as a sum of positive squares in 2 ways, for example, as 20052484 + 88804 = 4478^2 + 298^2 .

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, 4556 + ... + 7812.

Almost surely, 220141288 is an apocalyptic number.

It is an amenable number.

20141288 is a deficient number, since it is larger than the sum of its proper divisors (17684092).

20141288 is a wasteful number, since it uses less digits than its factorization.

20141288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036 (or 4032 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 20141288 is about 4487.9046335679. The cubic root of 20141288 is about 272.0794534323.

The spelling of 20141288 in words is "twenty million, one hundred forty-one thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 773 1546 3092 3257 6184 6514 13028 26056 2517661 5035322 10070644 20141288