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140223210 = 23512313797
BaseRepresentation
bin10000101101110…
…10001011101010
3100202212002002020
420112322023222
5241344120320
621525245310
73321610011
oct1026721352
9322762066
10140223210
1172174856
123ab63836
1323087b1a
14148a1a78
15c49c940
hex85ba2ea

140223210 has 32 divisors (see below), whose sum is σ = 336897792. Its totient is φ = 37352640.

The previous prime is 140223151. The next prime is 140223227. The reversal of 140223210 is 12322041.

140223210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 140223210.

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, 35032 + ... + 38828.

It is an arithmetic number, because the mean of its divisors is an integer number (10528056).

Almost surely, 2140223210 is an apocalyptic number.

140223210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140223210 is an abundant number, since it is smaller than the sum of its proper divisors (196674582).

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

140223210 is a wasteful number, since it uses less digits than its factorization.

140223210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140223210 is about 11841.5881536220. The cubic root of 140223210 is about 519.5252199926.

Adding to 140223210 its reverse (12322041), we get a palindrome (152545251).

The spelling of 140223210 in words is "one hundred forty million, two hundred twenty-three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1231 2462 3693 3797 6155 7386 7594 11391 12310 18465 18985 22782 36930 37970 56955 113910 4674107 9348214 14022321 23370535 28044642 46741070 70111605 140223210