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140222169 = 3235943399
BaseRepresentation
bin10000101101110…
…01111011011001
3100202212000122200
420112321323121
5241344102134
621525240413
73321603663
oct1026717331
9322760580
10140222169
1172173a9a
123ab63109
13230874c9
14148a1533
15c49c499
hex85b9ed9

140222169 has 12 divisors (see below), whose sum is σ = 203112000. Its totient is φ = 93218904.

The previous prime is 140222149. The next prime is 140222179. The reversal of 140222169 is 961222041.

It is not a de Polignac number, because 140222169 - 29 = 140221657 is a prime.

It is a super-2 number, since 2×1402221692 = 39324513358129122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140222149) 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, 18469 + ... + 24930.

It is an arithmetic number, because the mean of its divisors is an integer number (16926000).

Almost surely, 2140222169 is an apocalyptic number.

It is an amenable number.

140222169 is a deficient number, since it is larger than the sum of its proper divisors (62889831).

140222169 is a wasteful number, since it uses less digits than its factorization.

140222169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43764 (or 43761 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 140222169 is about 11841.5441982877. The cubic root of 140222169 is about 519.5239343588.

The spelling of 140222169 in words is "one hundred forty million, two hundred twenty-two thousand, one hundred sixty-nine".

Divisors: 1 3 9 359 1077 3231 43399 130197 390591 15580241 46740723 140222169