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1345480 = 23533637
BaseRepresentation
bin101001000011111001000
32112100122121
411020133020
5321023410
644501024
714302453
oct5103710
92470577
101345480
11839974
1254a774
13381556
1427049a
151b89da
hex1487c8

1345480 has 16 divisors (see below), whose sum is σ = 3027420. Its totient is φ = 538176.

The previous prime is 1345471. The next prime is 1345481. The reversal of 1345480 is 845431.

It can be written as a sum of positive squares in 2 ways, for example, as 1205604 + 139876 = 1098^2 + 374^2 .

It is not an unprimeable number, because it can be changed into a prime (1345481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16779 + ... + 16858.

21345480 is an apocalyptic number.

1345480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345480 is an abundant number, since it is smaller than the sum of its proper divisors (1681940).

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

1345480 is a wasteful number, since it uses less digits than its factorization.

1345480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33648 (or 33644 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1345480 is about 1159.9482747088. The cubic root of 1345480 is about 110.3974602090.

The spelling of 1345480 in words is "one million, three hundred forty-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 33637 67274 134548 168185 269096 336370 672740 1345480