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140154430 = 25131078111
BaseRepresentation
bin10000101101010…
…01011000111110
3100202201120201211
420112221120332
5241334420210
621523555034
73321202333
oct1026513076
9322646654
10140154430
1172128109
123ab2ba7a
1323062720
141488498a
15c48738a
hex85a963e

140154430 has 16 divisors (see below), whose sum is σ = 271684224. Its totient is φ = 51749280.

The previous prime is 140154407. The next prime is 140154439. The reversal of 140154430 is 34451041.

140154430 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140154439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538926 + ... + 539185.

It is an arithmetic number, because the mean of its divisors is an integer number (16980264).

Almost surely, 2140154430 is an apocalyptic number.

140154430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140154430 is a deficient number, since it is larger than the sum of its proper divisors (131529794).

140154430 is a wasteful number, since it uses less digits than its factorization.

140154430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078131.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140154430 is about 11838.6836261470. The cubic root of 140154430 is about 519.4402630904.

The spelling of 140154430 in words is "one hundred forty million, one hundred fifty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 1078111 2156222 5390555 10781110 14015443 28030886 70077215 140154430