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1368128 = 2621377
BaseRepresentation
bin101001110000001000000
32120111201102
411032001000
5322240003
645153532
714425466
oct5160100
92514642
101368128
11854993
1255b8a8
1338b958
14278836
151c0588
hex14e040

1368128 has 14 divisors (see below), whose sum is σ = 2715006. Its totient is φ = 684032.

The previous prime is 1368127. The next prime is 1368161. The reversal of 1368128 is 8218631.

It can be written as a sum of positive squares in only one way, i.e., 861184 + 506944 = 928^2 + 712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1368128.

It is not an unprimeable number, because it can be changed into a prime (1368121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10625 + ... + 10752.

It is an arithmetic number, because the mean of its divisors is an integer number (193929).

21368128 is an apocalyptic number.

It is an amenable number.

1368128 is a deficient number, since it is larger than the sum of its proper divisors (1346878).

1368128 is an equidigital number, since it uses as much as digits as its factorization.

1368128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21389 (or 21379 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 1368128 is about 1169.6700389426. The cubic root of 1368128 is about 111.0134442499.

The spelling of 1368128 in words is "one million, three hundred sixty-eight thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 21377 42754 85508 171016 342032 684064 1368128