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140555044 = 22711874229
BaseRepresentation
bin10000110000010…
…11001100100100
3100210110221021101
420120023030210
5241440230134
621540325444
73324461320
oct1030131444
9323427241
10140555044
11723810a3
123b0a3884
1323172b86
141494a980
15c515e14
hex860b324

140555044 has 24 divisors (see below), whose sum is σ = 281413440. Its totient is φ = 60172896.

The previous prime is 140555033. The next prime is 140555053. The reversal of 140555044 is 440555041.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31122 + ... + 35350.

It is an arithmetic number, because the mean of its divisors is an integer number (11725560).

Almost surely, 2140555044 is an apocalyptic number.

140555044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140555044 is an abundant number, since it is smaller than the sum of its proper divisors (140858396).

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

140555044 is a wasteful number, since it uses less digits than its factorization.

140555044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5427 (or 5425 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 140555044 is about 11855.5912547625. The cubic root of 140555044 is about 519.9347107378.

The spelling of 140555044 in words is "one hundred forty million, five hundred fifty-five thousand, forty-four".

Divisors: 1 2 4 7 14 28 1187 2374 4229 4748 8309 8458 16618 16916 29603 33236 59206 118412 5019823 10039646 20079292 35138761 70277522 140555044