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1292064 = 25343313
BaseRepresentation
bin100111011011100100000
32102122101020
410323130200
5312321224
643405440
713660644
oct4733440
92378336
101292064
11802824
12523880
13363147
14258c24
151a7c79
hex13b720

1292064 has 48 divisors (see below), whose sum is σ = 3481632. Its totient is φ = 419328.

The previous prime is 1292063. The next prime is 1292069. The reversal of 1292064 is 4602921.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1292063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3972 + ... + 4284.

It is an arithmetic number, because the mean of its divisors is an integer number (72534).

21292064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1292064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740816).

1292064 is an abundant number, since it is smaller than the sum of its proper divisors (2189568).

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

1292064 is a wasteful number, since it uses less digits than its factorization.

1292064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1292064 is about 1136.6899313357. The cubic root of 1292064 is about 108.9167503943.

Adding to 1292064 its reverse (4602921), we get a palindrome (5894985).

It can be divided in two parts, 129 and 2064, that multiplied together give a square (266256 = 5162).

The spelling of 1292064 in words is "one million, two hundred ninety-two thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 48 86 96 129 172 258 313 344 516 626 688 939 1032 1252 1376 1878 2064 2504 3756 4128 5008 7512 10016 13459 15024 26918 30048 40377 53836 80754 107672 161508 215344 323016 430688 646032 1292064