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140678000 = 2453312269
BaseRepresentation
bin10000110001010…
…01001101110000
3100210201011221022
420120221031300
5242003144000
621543115012
73325512641
oct1030511560
9323634838
10140678000
1172455511
123b142a68
13231b6b28
141497d6c8
15c53c585
hex8629370

140678000 has 80 divisors (see below), whose sum is σ = 351287040. Its totient is φ = 54432000.

The previous prime is 140677981. The next prime is 140678053. The reversal of 140678000 is 876041.

140678000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 60866 + ... + 63134.

It is an arithmetic number, because the mean of its divisors is an integer number (4391088).

Almost surely, 2140678000 is an apocalyptic number.

140678000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140678000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175643520).

140678000 is an abundant number, since it is smaller than the sum of its proper divisors (210609040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140678000 is a wasteful number, since it uses less digits than its factorization.

140678000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323 (or 2307 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 140678000 is about 11860.7756913281. The cubic root of 140678000 is about 520.0862775974.

The spelling of 140678000 in words is "one hundred forty million, six hundred seventy-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 31 40 50 62 80 100 124 125 155 200 248 250 310 400 496 500 620 775 1000 1240 1550 2000 2269 2480 3100 3875 4538 6200 7750 9076 11345 12400 15500 18152 22690 31000 36304 45380 56725 62000 70339 90760 113450 140678 181520 226900 281356 283625 351695 453800 562712 567250 703390 907600 1125424 1134500 1406780 1758475 2269000 2813560 3516950 4538000 5627120 7033900 8792375 14067800 17584750 28135600 35169500 70339000 140678000