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114631809 = 32937149239
BaseRepresentation
bin1101101010100…
…10010010000001
321222200220021120
412311102102001
5213321204214
615212542453
72561232345
oct665222201
9258626246
10114631809
1159785636
1232481a29
131a997696
141131d625
15a0e4ea9
hex6d52481

114631809 has 32 divisors (see below), whose sum is σ = 164160000. Its totient is φ = 71011584.

The previous prime is 114631789. The next prime is 114631819. The reversal of 114631809 is 908136411.

It is not a de Polignac number, because 114631809 - 211 = 114629761 is a prime.

It is a super-2 number, since 2×1146318092 = 26280903269224962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 114631809.

It is not an unprimeable number, because it can be changed into a prime (114631819) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 479512 + ... + 479750.

It is an arithmetic number, because the mean of its divisors is an integer number (5130000).

Almost surely, 2114631809 is an apocalyptic number.

It is an amenable number.

114631809 is a deficient number, since it is larger than the sum of its proper divisors (49528191).

114631809 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (114631808) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (457).

114631809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 114631809 is about 10706.6245381072. The cubic root of 114631809 is about 485.7748749882.

It can be divided in two parts, 114631 and 809, that added together give a triangular number (115440 = T480).

The spelling of 114631809 in words is "one hundred fourteen million, six hundred thirty-one thousand, eight hundred nine".

Divisors: 1 3 29 37 87 111 149 239 447 717 1073 3219 4321 5513 6931 8843 12963 16539 20793 26529 35611 106833 159877 256447 479631 769341 1032719 1317607 3098157 3952821 38210603 114631809