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140220132 = 223134432029
BaseRepresentation
bin10000101101110…
…01011011100100
3100202211220212020
420112321123210
5241344021012
621525223140
73321565023
oct1026713344
9322756766
10140220132
1172172508
123ab61ab0
13230865c0
14148a08ba
15c49ba8c
hex85b96e4

140220132 has 48 divisors (see below), whose sum is σ = 353317440. Its totient is φ = 43026048.

The previous prime is 140220103. The next prime is 140220137. The reversal of 140220132 is 231022041.

140220132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140220137) 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, 68094 + ... + 70122.

It is an arithmetic number, because the mean of its divisors is an integer number (7360780).

Almost surely, 2140220132 is an apocalyptic number.

140220132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140220132 is an abundant number, since it is smaller than the sum of its proper divisors (213097308).

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

140220132 is a wasteful number, since it uses less digits than its factorization.

140220132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492 (or 2490 counting only the distinct ones).

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

The square root of 140220132 is about 11841.4581872335. The cubic root of 140220132 is about 519.5214186477.

Adding to 140220132 its reverse (231022041), we get a palindrome (371242173).

The spelling of 140220132 in words is "one hundred forty million, two hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 443 886 1329 1772 2029 2658 4058 5316 5759 6087 8116 11518 12174 17277 23036 24348 26377 34554 52754 69108 79131 105508 158262 316524 898847 1797694 2696541 3595388 5393082 10786164 11685011 23370022 35055033 46740044 70110066 140220132