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140516 = 2235129
BaseRepresentation
bin100010010011100100
321010202022
4202103210
513444031
63002312
71123445
oct422344
9233668
10140516
1196632
1269398
134bc5c
14392cc
152b97b
hex224e4

140516 has 6 divisors (see below), whose sum is σ = 245910. Its totient is φ = 70256.

The previous prime is 140477. The next prime is 140521. The reversal of 140516 is 615041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 87616 + 52900 = 296^2 + 230^2 .

It is an Ulam number.

It is a plaindrome in base 7 and base 9.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 140494 and 140503.

It is a congruent number.

It is an unprimeable number.

140516 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17561 + ... + 17568.

It is an arithmetic number, because the mean of its divisors is an integer number (40985).

2140516 is an apocalyptic number.

It is an amenable number.

140516 is a deficient number, since it is larger than the sum of its proper divisors (105394).

140516 is a wasteful number, since it uses less digits than its factorization.

140516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35133 (or 35131 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 140516 is about 374.8546384934. The cubic root of 140516 is about 51.9886563027.

Adding to 140516 its reverse (615041), we get a palindrome (755557).

It can be divided in two parts, 140 and 516, that added together give a palindrome (656).

The spelling of 140516 in words is "one hundred forty thousand, five hundred sixteen".

Divisors: 1 2 4 35129 70258 140516