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140486000 = 2453193697
BaseRepresentation
bin10000101111110…
…10010101110000
3100210100102120012
420113322111300
5241431023000
621535034052
73324053114
oct1027722560
9323312505
10140486000
1172334236
123b06b928
132314a615
141492d744
15c500735
hex85fa570

140486000 has 80 divisors (see below), whose sum is σ = 357670560. Its totient is φ = 53222400.

The previous prime is 140485979. The next prime is 140486009. The reversal of 140486000 is 684041.

It is a happy number.

140486000 is digitally balanced in base 2, 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 super-3 number, since 3×1404860003 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140486009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36152 + ... + 39848.

It is an arithmetic number, because the mean of its divisors is an integer number (4470882).

Almost surely, 2140486000 is an apocalyptic number.

140486000 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 140486000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178835280).

140486000 is an abundant number, since it is smaller than the sum of its proper divisors (217184560).

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

140486000 is a wasteful number, since it uses less digits than its factorization.

140486000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739 (or 3723 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 140486000 is about 11852.6790220608. The cubic root of 140486000 is about 519.8495620046.

The spelling of 140486000 in words is "one hundred forty million, four hundred eighty-six thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 125 152 190 200 250 304 380 400 475 500 760 950 1000 1520 1900 2000 2375 3697 3800 4750 7394 7600 9500 14788 18485 19000 29576 36970 38000 59152 70243 73940 92425 140486 147880 184850 280972 295760 351215 369700 462125 561944 702430 739400 924250 1123888 1404860 1478800 1756075 1848500 2809720 3512150 3697000 5619440 7024300 7394000 8780375 14048600 17560750 28097200 35121500 70243000 140486000