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1354340 = 225135209
BaseRepresentation
bin101001010101001100100
32112210210202
411022221210
5321314330
645010032
714340341
oct5125144
92483722
101354340
11845599
12553918
133855b0
142737c8
151bb445
hex14aa64

1354340 has 24 divisors (see below), whose sum is σ = 3063480. Its totient is φ = 499968.

The previous prime is 1354337. The next prime is 1354343. The reversal of 1354340 is 434531.

It is an interprime number because it is at equal distance from previous prime (1354337) and next prime (1354343).

It can be written as a sum of positive squares in 4 ways, for example, as 256036 + 1098304 = 506^2 + 1048^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1354343) 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, 2345 + ... + 2864.

It is an arithmetic number, because the mean of its divisors is an integer number (127645).

21354340 is an apocalyptic number.

1354340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354340 is an abundant number, since it is smaller than the sum of its proper divisors (1709140).

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

1354340 is a wasteful number, since it uses less digits than its factorization.

1354340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5231 (or 5229 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1354340 is about 1163.7611438779. The cubic root of 1354340 is about 110.6392530605.

Adding to 1354340 its reverse (434531), we get a palindrome (1788871).

The spelling of 1354340 in words is "one million, three hundred fifty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 5209 10418 20836 26045 52090 67717 104180 135434 270868 338585 677170 1354340