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140030 = 25111967
BaseRepresentation
bin100010001011111110
321010002022
4202023332
513440110
63000142
71122152
oct421376
9233068
10140030
1196230
1269052
134b977
1439062
152b755
hex222fe

140030 has 32 divisors (see below), whose sum is σ = 293760. Its totient is φ = 47520.

The previous prime is 140009. The next prime is 140053. The reversal of 140030 is 30041.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2057 + ... + 2123.

It is an arithmetic number, because the mean of its divisors is an integer number (9180).

2140030 is an apocalyptic number.

140030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140030 is an abundant number, since it is smaller than the sum of its proper divisors (153730).

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

140030 is a wasteful number, since it uses less digits than its factorization.

140030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 140030 is about 374.2058257163. The cubic root of 140030 is about 51.9286496780.

Adding to 140030 its reverse (30041), we get a palindrome (170071).

The spelling of 140030 in words is "one hundred forty thousand, thirty".

Divisors: 1 2 5 10 11 19 22 38 55 67 95 110 134 190 209 335 418 670 737 1045 1273 1474 2090 2546 3685 6365 7370 12730 14003 28006 70015 140030