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140230 = 2537379
BaseRepresentation
bin100010001111000110
321010100201
4202033012
513441410
63001114
71122556
oct421706
9233321
10140230
11963a2
126919a
134ba9c
1439166
152b83a
hex223c6

140230 has 16 divisors (see below), whose sum is σ = 259920. Its totient is φ = 54432.

The previous prime is 140227. The next prime is 140237. The reversal of 140230 is 32041.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a plaindrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140237) 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, 181 + ... + 559.

It is an arithmetic number, because the mean of its divisors is an integer number (16245).

2140230 is an apocalyptic number.

140230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140230 is a deficient number, since it is larger than the sum of its proper divisors (119690).

140230 is a wasteful number, since it uses less digits than its factorization.

140230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 140230 is about 374.4729629760. The cubic root of 140230 is about 51.9533605479.

Adding to 140230 its reverse (32041), we get a palindrome (172271).

The spelling of 140230 in words is "one hundred forty thousand, two hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 379 758 1895 3790 14023 28046 70115 140230