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13103542 = 283193409
BaseRepresentation
bin110001111111…
…000110110110
3220122201200101
4301333012312
511323303132
61144504314
7216243514
oct61770666
926581611
1013103542
11743a981
12447b09a
13293a39a
141a514b4
15123c7e7
hexc7f1b6

13103542 has 16 divisors (see below), whose sum is σ = 20044080. Its totient is φ = 6423552.

The previous prime is 13103533. The next prime is 13103543. The reversal of 13103542 is 24530131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103543) 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, 31834 + ... + 32242.

It is an arithmetic number, because the mean of its divisors is an integer number (1252755).

Almost surely, 213103542 is an apocalyptic number.

13103542 is a deficient number, since it is larger than the sum of its proper divisors (6940538).

13103542 is a wasteful number, since it uses less digits than its factorization.

13103542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13103542 is about 3619.8814897728. The cubic root of 13103542 is about 235.7560799737.

Adding to 13103542 its reverse (24530131), we get a palindrome (37633673).

The spelling of 13103542 in words is "thirteen million, one hundred three thousand, five hundred forty-two".

Divisors: 1 2 83 166 193 386 409 818 16019 32038 33947 67894 78937 157874 6551771 13103542