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1359940 = 22597701
BaseRepresentation
bin101001100000001000100
32120002111011
411030001010
5322004230
645052004
714362561
oct5140104
92502434
101359940
1184981a
12557004
13387cca
14275868
151bce2a
hex14c044

1359940 has 24 divisors (see below), whose sum is σ = 2889432. Its totient is φ = 537600.

The previous prime is 1359937. The next prime is 1359947. The reversal of 1359940 is 499531.

It can be written as a sum of positive squares in 4 ways, for example, as 311364 + 1048576 = 558^2 + 1024^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359947) 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, 1590 + ... + 2290.

It is an arithmetic number, because the mean of its divisors is an integer number (120393).

21359940 is an apocalyptic number.

1359940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1359940 is an abundant number, since it is smaller than the sum of its proper divisors (1529492).

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

1359940 is a wasteful number, since it uses less digits than its factorization.

1359940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1359940 is about 1166.1646538976. The cubic root of 1359940 is about 110.7915357999.

The spelling of 1359940 in words is "one million, three hundred fifty-nine thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 97 194 388 485 701 970 1402 1940 2804 3505 7010 14020 67997 135994 271988 339985 679970 1359940