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140490800 = 2452595953
BaseRepresentation
bin10000101111110…
…11100000110000
3100210100200010222
420113323200300
5241431201200
621535112212
73324103112
oct1027734060
9323320128
10140490800
11723378aa
123b072668
132314c868
14149313b2
15c501d85
hex85fb830

140490800 has 60 divisors (see below), whose sum is σ = 343307640. Its totient is φ = 55234560.

The previous prime is 140490793. The next prime is 140490803. The reversal of 140490800 is 8094041.

It is a self number, because there is not a number n which added to its sum of digits gives 140490800.

It is not an unprimeable number, because it can be changed into a prime (140490803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20624 + ... + 26576.

It is an arithmetic number, because the mean of its divisors is an integer number (5721794).

Almost surely, 2140490800 is an apocalyptic number.

140490800 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 140490800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171653820).

140490800 is an abundant number, since it is smaller than the sum of its proper divisors (202816840).

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

140490800 is a wasteful number, since it uses less digits than its factorization.

140490800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030 (or 6019 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 140490800 is about 11852.8815061992. The cubic root of 140490800 is about 519.8554825221.

The spelling of 140490800 in words is "one hundred forty million, four hundred ninety thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 59 80 100 118 200 236 295 400 472 590 944 1180 1475 2360 2950 4720 5900 5953 11800 11906 23600 23812 29765 47624 59530 95248 119060 148825 238120 297650 351227 476240 595300 702454 1190600 1404908 1756135 2381200 2809816 3512270 5619632 7024540 8780675 14049080 17561350 28098160 35122700 70245400 140490800