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140444094 = 23749749
BaseRepresentation
bin10000101111100…
…00000110111110
3100210021022002010
420113300012332
5241423202334
621534112050
73323520000
oct1027600676
9323238063
10140444094
11723057aa
123b04b626
132313451b
141491c370
15c4e30e9
hex85f01be

140444094 has 40 divisors (see below), whose sum is σ = 327717000. Its totient is φ = 40122768.

The previous prime is 140444077. The next prime is 140444099. The reversal of 140444094 is 490444041.

140444094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140444099) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9532 + ... + 19280.

It is an arithmetic number, because the mean of its divisors is an integer number (8192925).

Almost surely, 2140444094 is an apocalyptic number.

140444094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140444094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163858500).

140444094 is an abundant number, since it is smaller than the sum of its proper divisors (187272906).

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

140444094 is an frugal number, since it uses more digits than its factorization.

140444094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9782 (or 9761 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 140444094 is about 11850.9111042147. The cubic root of 140444094 is about 519.7978676906.

The spelling of 140444094 in words is "one hundred forty million, four hundred forty-four thousand, ninety-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 2401 4802 7203 9749 14406 19498 29247 58494 68243 136486 204729 409458 477701 955402 1433103 2866206 3343907 6687814 10031721 20063442 23407349 46814698 70222047 140444094