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140552 = 2317569
BaseRepresentation
bin100010010100001000
321010210122
4202110020
513444202
63002412
71123526
oct422410
9233718
10140552
1196665
1269408
134bc89
1439316
152b9a2
hex22508

140552 has 8 divisors (see below), whose sum is σ = 263550. Its totient is φ = 70272.

The previous prime is 140551. The next prime is 140557. The reversal of 140552 is 255041.

It can be written as a sum of positive squares in only one way, i.e., 139876 + 676 = 374^2 + 26^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 140552.

It is not an unprimeable number, because it can be changed into a prime (140551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8777 + ... + 8792.

2140552 is an apocalyptic number.

It is an amenable number.

140552 is a deficient number, since it is larger than the sum of its proper divisors (122998).

140552 is a wasteful number, since it uses less digits than its factorization.

140552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17575 (or 17571 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 140552 is about 374.9026540317. The cubic root of 140552 is about 51.9930957303.

Adding to 140552 its reverse (255041), we get a palindrome (395593).

The spelling of 140552 in words is "one hundred forty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 17569 35138 70276 140552