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140211420 = 223519911743
BaseRepresentation
bin10000101101101…
…11010011011100
3100202211110220120
420112313103130
5241343231140
621525114540
73321530436
oct1026672334
9322743816
10140211420
1172166a08
123ab58a50
132308264b
141489b656
15c4991d0
hex85b74dc

140211420 has 48 divisors (see below), whose sum is σ = 394598400. Its totient is φ = 37198656.

The previous prime is 140211373. The next prime is 140211437. The reversal of 140211420 is 24112041.

140211420 is digitally balanced in base 3, 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 140211420.

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, 6069 + ... + 17811.

It is an arithmetic number, because the mean of its divisors is an integer number (8220800).

Almost surely, 2140211420 is an apocalyptic number.

140211420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140211420 is an abundant number, since it is smaller than the sum of its proper divisors (254386980).

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

140211420 is a wasteful number, since it uses less digits than its factorization.

140211420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11954 (or 11952 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 140211420 is about 11841.0903214189. The cubic root of 140211420 is about 519.5106589842.

Adding to 140211420 its reverse (24112041), we get a palindrome (164323461).

The spelling of 140211420 in words is "one hundred forty million, two hundred eleven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 199 398 597 796 995 1194 1990 2388 2985 3980 5970 11743 11940 23486 35229 46972 58715 70458 117430 140916 176145 234860 352290 704580 2336857 4673714 7010571 9347428 11684285 14021142 23368570 28042284 35052855 46737140 70105710 140211420