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1354420 = 225241281
BaseRepresentation
bin101001010101010110100
32112210220201
411022222310
5321320140
645010244
714340514
oct5125264
92483821
101354420
11845661
12553984
13385642
14273844
151bb49a
hex14aab4

1354420 has 24 divisors (see below), whose sum is σ = 2866248. Its totient is φ = 537600.

The previous prime is 1354393. The next prime is 1354471. The reversal of 1354420 is 244531.

It can be written as a sum of positive squares in 4 ways, for example, as 362404 + 992016 = 602^2 + 996^2 .

It is a congruent number.

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, 4680 + ... + 4960.

It is an arithmetic number, because the mean of its divisors is an integer number (119427).

21354420 is an apocalyptic number.

1354420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354420 is an abundant number, since it is smaller than the sum of its proper divisors (1511828).

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

1354420 is a wasteful number, since it uses less digits than its factorization.

1354420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1354420 is about 1163.7955146846. The cubic root of 1354420 is about 110.6414314810.

Adding to 1354420 its reverse (244531), we get a palindrome (1598951).

The spelling of 1354420 in words is "one million, three hundred fifty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 241 281 482 562 964 1124 1205 1405 2410 2810 4820 5620 67721 135442 270884 338605 677210 1354420