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13441995 = 3257139307
BaseRepresentation
bin110011010001…
…101111001011
3221021220221200
4303101233023
511420120440
61200035243
7222153330
oct63215713
927256850
1013441995
117651196
124602b23
132a28458
141adc987
1512a7c30
hexcd1bcb

13441995 has 48 divisors (see below), whose sum is σ = 26906880. Its totient is φ = 6080832.

The previous prime is 13441963. The next prime is 13442017. The reversal of 13441995 is 59914431.

It is a happy number.

It is not a de Polignac number, because 13441995 - 25 = 13441963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43632 + ... + 43938.

It is an arithmetic number, because the mean of its divisors is an integer number (560560).

Almost surely, 213441995 is an apocalyptic number.

13441995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13441995 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

13441995 is a wasteful number, since it uses less digits than its factorization.

13441995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 461 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 13441995 is about 3666.3326363002. The cubic root of 13441995 is about 237.7686415407.

The spelling of 13441995 in words is "thirteen million, four hundred forty-one thousand, nine hundred ninety-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 139 307 315 417 695 921 973 1251 1535 2085 2149 2763 2919 4605 4865 6255 6447 8757 10745 13815 14595 19341 32235 42673 43785 96705 128019 213365 298711 384057 640095 896133 1493555 1920285 2688399 4480665 13441995