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13452542 = 217974079
BaseRepresentation
bin110011010100…
…010011111110
3221022110102022
4303110103332
511420440132
61200200142
7222226145
oct63242376
927273368
1013452542
117659104
124609052
132a301ac
141b0275c
1512aae12
hexcd44fe

13452542 has 16 divisors (see below), whose sum is σ = 21591360. Its totient is φ = 6263808.

The previous prime is 13452533. The next prime is 13452547. The reversal of 13452542 is 24525431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13452547) 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, 1259 + ... + 5337.

It is an arithmetic number, because the mean of its divisors is an integer number (1349460).

Almost surely, 213452542 is an apocalyptic number.

13452542 is a deficient number, since it is larger than the sum of its proper divisors (8138818).

13452542 is a wasteful number, since it uses less digits than its factorization.

13452542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195.

The product of its digits is 4800, while the sum is 26.

The square root of 13452542 is about 3667.7707125719. The cubic root of 13452542 is about 237.8308121303.

Adding to 13452542 its reverse (24525431), we get a palindrome (37977973).

It can be divided in two parts, 134 and 52542, that multiplied together give a triangular number (7040628 = T3752).

The spelling of 13452542 in words is "thirteen million, four hundred fifty-two thousand, five hundred forty-two".

Divisors: 1 2 17 34 97 194 1649 3298 4079 8158 69343 138686 395663 791326 6726271 13452542