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140112220 = 225107233281
BaseRepresentation
bin10000101100111…
…11000101011100
3100202122102211111
420112133011130
5241332042340
621523031404
73320635303
oct1026370534
9322572744
10140112220
11720a9426
123ab0b564
1323049451
141487343a
15c479aea
hex859f15c

140112220 has 48 divisors (see below), whose sum is σ = 299321568. Its totient is φ = 55086080.

The previous prime is 140112199. The next prime is 140112221. The reversal of 140112220 is 22211041.

It is a happy number.

140112220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140112220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140112221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498480 + ... + 498760.

It is an arithmetic number, because the mean of its divisors is an integer number (6235866).

Almost surely, 2140112220 is an apocalyptic number.

140112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140112220 is an abundant number, since it is smaller than the sum of its proper divisors (159209348).

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

140112220 is a wasteful number, since it uses less digits than its factorization.

140112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 140112220 is about 11836.9007768081. The cubic root of 140112220 is about 519.3881116292.

Adding to 140112220 its reverse (22211041), we get a palindrome (162323261).

The spelling of 140112220 in words is "one hundred forty million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 107 214 233 281 428 466 535 562 932 1070 1124 1165 1405 2140 2330 2810 4660 5620 24931 30067 49862 60134 65473 99724 120268 124655 130946 150335 249310 261892 300670 327365 498620 601340 654730 1309460 7005611 14011222 28022444 35028055 70056110 140112220