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140608746 = 23231673761
BaseRepresentation
bin10000110000110…
…00010011101010
3100210120122221100
420120120103222
5241443434441
621541422230
73325104015
oct1030302352
9323518840
10140608746
1172408483
123b10a976
1323191455
141496237c
15c526cb6
hex86184ea

140608746 has 48 divisors (see below), whose sum is σ = 319258368. Its totient is φ = 44668800.

The previous prime is 140608711. The next prime is 140608757. The reversal of 140608746 is 647806041.

140608746 is a `hidden beast` number, since 1 + 4 + 0 + 608 + 7 + 46 = 666.

140608746 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140608746.

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 23 ways as a sum of consecutive naturals, for example, 35506 + ... + 39266.

It is an arithmetic number, because the mean of its divisors is an integer number (6651216).

Almost surely, 2140608746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140608746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159629184).

140608746 is an abundant number, since it is smaller than the sum of its proper divisors (178649622).

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

140608746 is a wasteful number, since it uses less digits than its factorization.

140608746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867 (or 3864 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 140608746 is about 11857.8558770125. The cubic root of 140608746 is about 520.0009196236. Note that the first 3 decimals are identical.

The spelling of 140608746 in words is "one hundred forty million, six hundred eight thousand, seven hundred forty-six".

Divisors: 1 2 3 6 9 18 31 62 67 93 134 186 201 279 402 558 603 1206 2077 3761 4154 6231 7522 11283 12462 18693 22566 33849 37386 67698 116591 233182 251987 349773 503974 699546 755961 1049319 1511922 2098638 2267883 4535766 7811597 15623194 23434791 46869582 70304373 140608746