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140530430 = 25109229563
BaseRepresentation
bin10000110000001…
…01001011111110
3100210102200111202
420120011023332
5241433433210
621540015502
73324326465
oct1030051376
9323380452
10140530430
1172364657
123b091592
1323164901
14149419dc
15c50d9a5
hex86052fe

140530430 has 32 divisors (see below), whose sum is σ = 256845600. Its totient is φ = 55354752.

The previous prime is 140530421. The next prime is 140530447. The reversal of 140530430 is 34035041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249329 + ... + 249891.

It is an arithmetic number, because the mean of its divisors is an integer number (8026425).

Almost surely, 2140530430 is an apocalyptic number.

140530430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140530430 is a deficient number, since it is larger than the sum of its proper divisors (116315170).

140530430 is a wasteful number, since it uses less digits than its factorization.

140530430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 140530430 is about 11854.5531337120. The cubic root of 140530430 is about 519.9043586429.

Adding to 140530430 its reverse (34035041), we get a palindrome (174565471).

The spelling of 140530430 in words is "one hundred forty million, five hundred thirty thousand, four hundred thirty".

Divisors: 1 2 5 10 109 218 229 458 545 563 1090 1126 1145 2290 2815 5630 24961 49922 61367 122734 124805 128927 249610 257854 306835 613670 644635 1289270 14053043 28106086 70265215 140530430