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140605214 = 2257273551
BaseRepresentation
bin10000110000101…
…11011100011110
3100210120111002112
420120113130132
5241443331324
621541354022
73325060511
oct1030273436
9323514075
10140605214
1172405862
123b108912
132318c969
1414960d78
15c525c0e
hex861771e

140605214 has 8 divisors (see below), whose sum is σ = 211729248. Its totient is φ = 70028800.

The previous prime is 140605211. The next prime is 140605219. The reversal of 140605214 is 412506041.

140605214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 140605214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140605211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136262 + ... + 137289.

It is an arithmetic number, because the mean of its divisors is an integer number (26466156).

Almost surely, 2140605214 is an apocalyptic number.

140605214 is a deficient number, since it is larger than the sum of its proper divisors (71124034).

140605214 is a wasteful number, since it uses less digits than its factorization.

140605214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273810.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 140605214 is about 11857.7069452740. The cubic root of 140605214 is about 519.9965655592.

The spelling of 140605214 in words is "one hundred forty million, six hundred five thousand, two hundred fourteen".

Divisors: 1 2 257 514 273551 547102 70302607 140605214