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140502671 = 1725732159
BaseRepresentation
bin10000101111111…
…10011010001111
3100210101021102122
420113332122033
5241432041141
621535243155
73324152531
oct1027763217
9323337378
10140502671
1172345811
123b0794bb
132315509a
1414935851
15c50564b
hex85fe68f

140502671 has 8 divisors (see below), whose sum is σ = 149351040. Its totient is φ = 131719168.

The previous prime is 140502641. The next prime is 140502673. The reversal of 140502671 is 176205041.

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 140502671 - 214 = 140486287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140502671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140502673) 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, 11711 + ... + 20448.

It is an arithmetic number, because the mean of its divisors is an integer number (18668880).

Almost surely, 2140502671 is an apocalyptic number.

140502671 is a deficient number, since it is larger than the sum of its proper divisors (8848369).

140502671 is a wasteful number, since it uses less digits than its factorization.

140502671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32433.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 140502671 is about 11853.3822599290. The cubic root of 140502671 is about 519.8701241229.

The spelling of 140502671 in words is "one hundred forty million, five hundred two thousand, six hundred seventy-one".

Divisors: 1 17 257 4369 32159 546703 8264863 140502671