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13540030 = 257672887
BaseRepresentation
bin110011101001…
…101010111110
3221110220102121
4303221222332
511431240110
61202113154
7223042210
oct63515276
927426377
1013540030
117708909
12464b7ba
132a60c6a
141b265b0
1512c6cda
hexce9abe

13540030 has 32 divisors (see below), whose sum is σ = 28279296. Its totient is φ = 4571424.

The previous prime is 13540001. The next prime is 13540073. The reversal of 13540030 is 3004531.

It is a junction number, because it is equal to n+sod(n) for n = 13539986 and 13540013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3247 + ... + 6133.

It is an arithmetic number, because the mean of its divisors is an integer number (883728).

Almost surely, 213540030 is an apocalyptic number.

13540030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13540030 is an abundant number, since it is smaller than the sum of its proper divisors (14739266).

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

13540030 is a wasteful number, since it uses less digits than its factorization.

13540030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 13540030 is about 3679.6779750408. The cubic root of 13540030 is about 238.3452724661.

Adding to 13540030 its reverse (3004531), we get a palindrome (16544561).

The spelling of 13540030 in words is "thirteen million, five hundred forty thousand, thirty".

Divisors: 1 2 5 7 10 14 35 67 70 134 335 469 670 938 2345 2887 4690 5774 14435 20209 28870 40418 101045 193429 202090 386858 967145 1354003 1934290 2708006 6770015 13540030