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13542230 = 2513731427
BaseRepresentation
bin110011101010…
…001101010110
3221111000110002
4303222031112
511431322410
61202131302
7223051502
oct63521526
927430402
1013542230
11770a529
124650b32
132a61c70
141b27302
1512c77a5
hexcea356

13542230 has 32 divisors (see below), whose sum is σ = 26629344. Its totient is φ = 4928256.

The previous prime is 13542229. The next prime is 13542293. The reversal of 13542230 is 3224531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8777 + ... + 10203.

It is an arithmetic number, because the mean of its divisors is an integer number (832167).

Almost surely, 213542230 is an apocalyptic number.

13542230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13542230 is a deficient number, since it is larger than the sum of its proper divisors (13087114).

13542230 is a wasteful number, since it uses less digits than its factorization.

13542230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520.

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

The square root of 13542230 is about 3679.9769021014. The cubic root of 13542230 is about 238.3581806404.

Adding to 13542230 its reverse (3224531), we get a palindrome (16766761).

The spelling of 13542230 in words is "thirteen million, five hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 73 130 146 365 730 949 1427 1898 2854 4745 7135 9490 14270 18551 37102 92755 104171 185510 208342 520855 1041710 1354223 2708446 6771115 13542230