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1315368 = 233218269
BaseRepresentation
bin101000001001000101000
32110211100100
411001020220
5314042433
644105400
714115615
oct5011050
92424310
101315368
1181928a
12535260
13370932
1426350c
151aeb13
hex141228

1315368 has 24 divisors (see below), whose sum is σ = 3562650. Its totient is φ = 438432.

The previous prime is 1315367. The next prime is 1315373. The reversal of 1315368 is 8635131.

It can be written as a sum of positive squares in only one way, i.e., 1004004 + 311364 = 1002^2 + 558^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1315367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9063 + ... + 9206.

21315368 is an apocalyptic number.

1315368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1315368 is an abundant number, since it is smaller than the sum of its proper divisors (2247282).

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

1315368 is a wasteful number, since it uses less digits than its factorization.

1315368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18281 (or 18274 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1315368 is about 1146.8949385188. The cubic root of 1315368 is about 109.5676694380.

The spelling of 1315368 in words is "one million, three hundred fifteen thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 18269 36538 54807 73076 109614 146152 164421 219228 328842 438456 657684 1315368