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140225040 = 2433564919
BaseRepresentation
bin10000101101110…
…10101000010000
3100202212011121000
420112322220100
5241344200130
621525302000
73321615234
oct1026725020
9322764530
10140225040
117217616a
123ab64900
13230888c7
14148a25c4
15c49d260
hex85baa10

140225040 has 80 divisors (see below), whose sum is σ = 483004800. Its totient is φ = 37392768.

The previous prime is 140225011. The next prime is 140225047. The reversal of 140225040 is 40522041.

140225040 is a `hidden beast` number, since 140 + 22 + 504 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (140225047) 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 15 ways as a sum of consecutive naturals, for example, 30300 + ... + 34619.

It is an arithmetic number, because the mean of its divisors is an integer number (6037560).

Almost surely, 2140225040 is an apocalyptic number.

140225040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140225040 is an abundant number, since it is smaller than the sum of its proper divisors (342779760).

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

140225040 is a wasteful number, since it uses less digits than its factorization.

140225040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64941 (or 64929 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 140225040 is about 11841.6654234107. The cubic root of 140225040 is about 519.5274800250.

Adding to 140225040 its reverse (40522041), we get a palindrome (180747081).

The spelling of 140225040 in words is "one hundred forty million, two hundred twenty-five thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 64919 129838 194757 259676 324595 389514 519352 584271 649190 779028 973785 1038704 1168542 1298380 1558056 1752813 1947570 2337084 2596760 2921355 3116112 3505626 3895140 4674168 5193520 5842710 7011252 7790280 8764065 9348336 11685420 14022504 15580560 17528130 23370840 28045008 35056260 46741680 70112520 140225040