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190211140 = 22572194093
BaseRepresentation
bin10110101011001…
…10010001000100
3111020220201122001
423111212101010
5342143224030
630512515044
74466524300
oct1325462104
9436821561
10190211140
1198407499
125384ba84
133053a892
141b394d00
1511a73cca
hexb566444

190211140 has 36 divisors (see below), whose sum is σ = 464661036. Its totient is φ = 65214912.

The previous prime is 190211111. The next prime is 190211149. The reversal of 190211140 is 41112091.

190211140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 77299264 + 112911876 = 8792^2 + 10626^2 .

It is not an unprimeable number, because it can be changed into a prime (190211149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96067 + ... + 98026.

It is an arithmetic number, because the mean of its divisors is an integer number (12907251).

Almost surely, 2190211140 is an apocalyptic number.

190211140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190211140 is an abundant number, since it is smaller than the sum of its proper divisors (274449896).

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

190211140 is a wasteful number, since it uses less digits than its factorization.

190211140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194116 (or 194107 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 190211140 is about 13791.7054782938. The cubic root of 190211140 is about 575.1025803123.

The spelling of 190211140 in words is "one hundred ninety million, two hundred eleven thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 194093 388186 776372 970465 1358651 1940930 2717302 3881860 5434604 6793255 9510557 13586510 19021114 27173020 38042228 47552785 95105570 190211140