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140557000 = 2353140557
BaseRepresentation
bin10000110000010…
…11101011001000
3100210111000221211
420120023223020
5241440311000
621540342504
73324500113
oct1030135310
9323430854
10140557000
1172382611
123b0a4a34
1323173a2c
141494b57a
15c5167ba
hex860bac8

140557000 has 32 divisors (see below), whose sum is σ = 328905720. Its totient is φ = 56222400.

The previous prime is 140556989. The next prime is 140557009. The reversal of 140557000 is 755041.

It can be written as a sum of positive squares in 4 ways, for example, as 75238276 + 65318724 = 8674^2 + 8082^2 .

It is not an unprimeable number, because it can be changed into a prime (140557009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69279 + ... + 71278.

Almost surely, 2140557000 is an apocalyptic number.

140557000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140557000 is an abundant number, since it is smaller than the sum of its proper divisors (188348720).

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

140557000 is a wasteful number, since it uses less digits than its factorization.

140557000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140578 (or 140564 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 140557000 is about 11855.6737471980. The cubic root of 140557000 is about 519.9371225748.

The spelling of 140557000 in words is "one hundred forty million, five hundred fifty-seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 140557 281114 562228 702785 1124456 1405570 2811140 3513925 5622280 7027850 14055700 17569625 28111400 35139250 70278500 140557000