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140011230 = 2354667041
BaseRepresentation
bin10000101100001…
…10011011011110
3100202110022022010
420112012123132
5241320324410
621520532050
73320035002
oct1026063336
9322408263
10140011230
117203a567
123aa81026
13230124a8
1414848702
15c459c20
hex85866de

140011230 has 16 divisors (see below), whose sum is σ = 336027024. Its totient is φ = 37336320.

The previous prime is 140011211. The next prime is 140011231. The reversal of 140011230 is 32110041.

It is a happy number.

140011230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1400112302 = 39206289052225800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140011231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2333491 + ... + 2333550.

It is an arithmetic number, because the mean of its divisors is an integer number (21001689).

Almost surely, 2140011230 is an apocalyptic number.

140011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140011230 is an abundant number, since it is smaller than the sum of its proper divisors (196015794).

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

140011230 is a wasteful number, since it uses less digits than its factorization.

140011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667051.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 140011230 is about 11832.6341107971. The cubic root of 140011230 is about 519.2632935541.

Adding to 140011230 its reverse (32110041), we get a palindrome (172121271).

The spelling of 140011230 in words is "one hundred forty million, eleven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4667041 9334082 14001123 23335205 28002246 46670410 70005615 140011230