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1301378 = 21350053
BaseRepresentation
bin100111101101110000010
32110010011012
410331232002
5313121003
643520522
714030051
oct4755602
92403135
101301378
11809821
12529142
13367460
1425c398
151aa8d8
hex13db82

1301378 has 8 divisors (see below), whose sum is σ = 2102268. Its totient is φ = 600624.

The previous prime is 1301353. The next prime is 1301387. The reversal of 1301378 is 8731031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1283689 + 17689 = 1133^2 + 133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25001 + ... + 25052.

21301378 is an apocalyptic number.

1301378 is a deficient number, since it is larger than the sum of its proper divisors (800890).

1301378 is a wasteful number, since it uses less digits than its factorization.

1301378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50068.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1301378 is about 1140.7795580216. The cubic root of 1301378 is about 109.1778372372.

The spelling of 1301378 in words is "one million, three hundred one thousand, three hundred seventy-eight".

Divisors: 1 2 13 26 50053 100106 650689 1301378