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140549954 = 2193698683
BaseRepresentation
bin10000110000010…
…01111101000010
3100210110200021212
420120021331002
5241440044304
621540250122
73324440426
oct1030117502
9323420255
10140549954
1172378296
123b0a0942
132317076c
1414948b86
15c51466e
hex8609f42

140549954 has 8 divisors (see below), whose sum is σ = 221921040. Its totient is φ = 66576276.

The previous prime is 140549953. The next prime is 140549971. The reversal of 140549954 is 459945041.

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

It is not an unprimeable number, because it can be changed into a prime (140549951) 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 3 ways as a sum of consecutive naturals, for example, 1849304 + ... + 1849379.

It is an arithmetic number, because the mean of its divisors is an integer number (27740130).

Almost surely, 2140549954 is an apocalyptic number.

140549954 is a deficient number, since it is larger than the sum of its proper divisors (81371086).

140549954 is a wasteful number, since it uses less digits than its factorization.

140549954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698704.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 140549954 is about 11855.3765861739. The cubic root of 140549954 is about 519.9284344312.

The spelling of 140549954 in words is "one hundred forty million, five hundred forty-nine thousand, nine hundred fifty-four".

Divisors: 1 2 19 38 3698683 7397366 70274977 140549954