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140754917 = 1723359987
BaseRepresentation
bin10000110001110…
…11111111100101
3100210212002110002
420120323333211
5242013124132
621544511045
73326253122
oct1030737745
9323762402
10140754917
11724a8286
123b17b485
1323212b44
141499d749
15c555262
hex863bfe5

140754917 has 8 divisors (see below), whose sum is σ = 155514816. Its totient is φ = 126715072.

The previous prime is 140754899. The next prime is 140754931. The reversal of 140754917 is 719457041.

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

It is a cyclic number.

It is not a de Polignac number, because 140754917 - 212 = 140750821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140754937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179603 + ... + 180384.

It is an arithmetic number, because the mean of its divisors is an integer number (19439352).

Almost surely, 2140754917 is an apocalyptic number.

140754917 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

140754917 is a deficient number, since it is larger than the sum of its proper divisors (14759899).

140754917 is a wasteful number, since it uses less digits than its factorization.

140754917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360027.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 140754917 is about 11864.0177427379. The cubic root of 140754917 is about 520.1810476578.

The spelling of 140754917 in words is "one hundred forty million, seven hundred fifty-four thousand, nine hundred seventeen".

Divisors: 1 17 23 391 359987 6119779 8279701 140754917