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13945060 = 2253372069
BaseRepresentation
bin110101001100…
…100011100100
3222020111000201
4311030203210
512032220220
61214520244
7226350103
oct65144344
928214021
1013945060
117965148
124806084
132b7341c
141bd003a
151356d0a
hexd4c8e4

13945060 has 24 divisors (see below), whose sum is σ = 29385720. Its totient is φ = 5558784.

The previous prime is 13945037. The next prime is 13945091. The reversal of 13945060 is 6054931.

13945060 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 2304 + 13942756 = 48^2 + 3734^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5706 + ... + 7774.

It is an arithmetic number, because the mean of its divisors is an integer number (1224405).

Almost surely, 213945060 is an apocalyptic number.

13945060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13945060 is an abundant number, since it is smaller than the sum of its proper divisors (15440660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13945060 is a wasteful number, since it uses less digits than its factorization.

13945060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 13945060 is about 3734.3085035921. The cubic root of 13945060 is about 240.6985435516.

Adding to 13945060 its reverse (6054931), we get a palindrome (19999991).

The spelling of 13945060 in words is "thirteen million, nine hundred forty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 337 674 1348 1685 2069 3370 4138 6740 8276 10345 20690 41380 697253 1394506 2789012 3486265 6972530 13945060