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1361568 = 253131091
BaseRepresentation
bin101001100011010100000
32120011201110
411030122200
5322032233
645103320
714400405
oct5143240
92504643
101361568
1184aa6a
12557b40
13388980
142762ac
151bd663
hex14c6a0

1361568 has 48 divisors (see below), whose sum is σ = 3852576. Its totient is φ = 418560.

The previous prime is 1361533. The next prime is 1361573. The reversal of 1361568 is 8651631.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (80262).

21361568 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 1361568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1926288).

1361568 is an abundant number, since it is smaller than the sum of its proper divisors (2491008).

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

1361568 is a wasteful number, since it uses less digits than its factorization.

1361568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1109 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 1361568 is about 1166.8624597612. The cubic root of 1361568 is about 110.8357281158.

The spelling of 1361568 in words is "one million, three hundred sixty-one thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1091 1248 2182 3273 4364 6546 8728 13092 14183 17456 26184 28366 34912 42549 52368 56732 85098 104736 113464 170196 226928 340392 453856 680784 1361568