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117744445 = 5713258779
BaseRepresentation
bin1110000010010…
…10001100111101
322012120001000101
413001022030331
5220120310240
615403401101
72626545160
oct701121475
9265501011
10117744445
1160511165
1233523191
131b517390
14118cdad7
15a50c39a
hex704a33d

117744445 has 16 divisors (see below), whose sum is σ = 173900160. Its totient is φ = 74528064.

The previous prime is 117744443. The next prime is 117744467. The reversal of 117744445 is 544447711.

It is not a de Polignac number, because 117744445 - 21 = 117744443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117744443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128935 + ... + 129844.

It is an arithmetic number, because the mean of its divisors is an integer number (10868760).

Almost surely, 2117744445 is an apocalyptic number.

It is an amenable number.

117744445 is a deficient number, since it is larger than the sum of its proper divisors (56155715).

117744445 is a wasteful number, since it uses less digits than its factorization.

117744445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258804.

The product of its digits is 62720, while the sum is 37.

The square root of 117744445 is about 10851.0112431976. The cubic root of 117744445 is about 490.1324714717.

The spelling of 117744445 in words is "one hundred seventeen million, seven hundred forty-four thousand, four hundred forty-five".

Divisors: 1 5 7 13 35 65 91 455 258779 1293895 1811453 3364127 9057265 16820635 23548889 117744445