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140188448 = 2531141319
BaseRepresentation
bin10000101101100…
…01101100100000
3100202210022101202
420112301230200
5241342012243
621524420332
73321403451
oct1026615440
9322708352
10140188448
1172150724
123ab476a8
132307505a
1414893128
15c4924b8
hex85b1b20

140188448 has 24 divisors (see below), whose sum is σ = 284901120. Its totient is φ = 67832640.

The previous prime is 140188429. The next prime is 140188453. The reversal of 140188448 is 844881041.

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 3 ways as a sum of consecutive naturals, for example, 69668 + ... + 71651.

It is an arithmetic number, because the mean of its divisors is an integer number (11870880).

Almost surely, 2140188448 is an apocalyptic number.

It is an amenable number.

140188448 is an abundant number, since it is smaller than the sum of its proper divisors (144712672).

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

140188448 is a wasteful number, since it uses less digits than its factorization.

140188448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141360 (or 141352 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 38.

The square root of 140188448 is about 11840.1202696594. The cubic root of 140188448 is about 519.4822855210.

The spelling of 140188448 in words is "one hundred forty million, one hundred eighty-eight thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 141319 282638 565276 1130552 2261104 4380889 4522208 8761778 17523556 35047112 70094224 140188448