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13540033 = 139911051
BaseRepresentation
bin110011101001…
…101011000001
3221110220102201
4303221223001
511431240113
61202113201
7223042213
oct63515301
927426381
1013540033
117708911
12464b801
132a60c70
141b265b3
1512c6cdd
hexce9ac1

13540033 has 8 divisors (see below), whose sum is σ = 14610176. Its totient is φ = 12474000.

The previous prime is 13540001. The next prime is 13540073. The reversal of 13540033 is 33004531.

13540033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13540033 - 25 = 13540001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13540073) 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, 12358 + ... + 13408.

It is an arithmetic number, because the mean of its divisors is an integer number (1826272).

Almost surely, 213540033 is an apocalyptic number.

13540033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13540033 is a deficient number, since it is larger than the sum of its proper divisors (1070143).

13540033 is a wasteful number, since it uses less digits than its factorization.

13540033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 13540033 is about 3679.6783826851. The cubic root of 13540033 is about 238.3452900691.

Adding to 13540033 its reverse (33004531), we get a palindrome (46544564).

The spelling of 13540033 in words is "thirteen million, five hundred forty thousand, thirty-three".

Divisors: 1 13 991 1051 12883 13663 1041541 13540033