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13355091 = 332272179
BaseRepresentation
bin110010111100…
…100001010011
3221010111202000
4302330201103
511404330331
61154125043
7221342061
oct62744123
927114660
1013355091
1175a1972
124580783
1329c7a29
141ab9031
15128c0e6
hexcbc853

13355091 has 16 divisors (see below), whose sum is σ = 19881600. Its totient is φ = 8860104.

The previous prime is 13355009. The next prime is 13355101. The reversal of 13355091 is 19055331.

13355091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13355091 - 27 = 13354963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13355291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5040 + ... + 7218.

It is an arithmetic number, because the mean of its divisors is an integer number (1242600).

Almost surely, 213355091 is an apocalyptic number.

13355091 is a deficient number, since it is larger than the sum of its proper divisors (6526509).

13355091 is a wasteful number, since it uses less digits than its factorization.

13355091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415 (or 2409 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 27.

The square root of 13355091 is about 3654.4617934793. The cubic root of 13355091 is about 237.2551330352.

The spelling of 13355091 in words is "thirteen million, three hundred fifty-five thousand, ninety-one".

Divisors: 1 3 9 27 227 681 2043 2179 6129 6537 19611 58833 494633 1483899 4451697 13355091