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140022430 = 2537378439
BaseRepresentation
bin10000101100010…
…01001010011110
3100202110212122221
420112021022132
5241321204210
621521055554
73320112442
oct1026111236
9322425587
10140022430
1172047a19
123aa875ba
1323017612
141484c822
15c45d1da
hex858929e

140022430 has 16 divisors (see below), whose sum is σ = 258852960. Its totient is φ = 54495072.

The previous prime is 140022427. The next prime is 140022431. The reversal of 140022430 is 34220041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140022431) 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, 188850 + ... + 189589.

It is an arithmetic number, because the mean of its divisors is an integer number (16178310).

Almost surely, 2140022430 is an apocalyptic number.

140022430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140022430 is a deficient number, since it is larger than the sum of its proper divisors (118830530).

140022430 is a wasteful number, since it uses less digits than its factorization.

140022430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378483.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 140022430 is about 11833.1073687346. The cubic root of 140022430 is about 519.2771390954.

Adding to 140022430 its reverse (34220041), we get a palindrome (174242471).

The spelling of 140022430 in words is "one hundred forty million, twenty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 378439 756878 1892195 3784390 14002243 28004486 70011215 140022430