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140452105 = 5181115511
BaseRepresentation
bin10000101111100…
…10000100001001
3100210021201001211
420113302010021
5241423431410
621534213121
73323552233
oct1027620411
9323251054
10140452105
1172310822
123b0541a1
1323138071
1414921253
15c4e568a
hex85f2109

140452105 has 8 divisors (see below), whose sum is σ = 168646464. Its totient is φ = 112292400.

The previous prime is 140452093. The next prime is 140452127. The reversal of 140452105 is 501254041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140452105 - 225 = 106897673 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1300 + ... + 16810.

It is an arithmetic number, because the mean of its divisors is an integer number (21080808).

Almost surely, 2140452105 is an apocalyptic number.

It is an amenable number.

140452105 is a deficient number, since it is larger than the sum of its proper divisors (28194359).

140452105 is a wasteful number, since it uses less digits than its factorization.

140452105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17327.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 140452105 is about 11851.2490902858. The cubic root of 140452105 is about 519.8077506778.

The spelling of 140452105 in words is "one hundred forty million, four hundred fifty-two thousand, one hundred five".

Divisors: 1 5 1811 9055 15511 77555 28090421 140452105