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13149055 = 52629811
BaseRepresentation
bin110010001010…
…001101111111
3220202001010001
4302022031333
511331232210
61145455131
7216523303
oct62121577
926661101
1013149055
117471097
1244a14a7
13295500a
141a63d03
15124b03a
hexc8a37f

13149055 has 4 divisors (see below), whose sum is σ = 15778872. Its totient is φ = 10519240.

The previous prime is 13149043. The next prime is 13149067. The reversal of 13149055 is 55094131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55094131 = 232395397.

It is an interprime number because it is at equal distance from previous prime (13149043) and next prime (13149067).

It is not a de Polignac number, because 13149055 - 29 = 13148543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314901 + ... + 1314910.

It is an arithmetic number, because the mean of its divisors is an integer number (3944718).

Almost surely, 213149055 is an apocalyptic number.

13149055 is a deficient number, since it is larger than the sum of its proper divisors (2629817).

13149055 is an equidigital number, since it uses as much as digits as its factorization.

13149055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629816.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 13149055 is about 3626.1625721967. The cubic root of 13149055 is about 236.0287178976.

The spelling of 13149055 in words is "thirteen million, one hundred forty-nine thousand, fifty-five".

Divisors: 1 5 2629811 13149055