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140504 = 23713193
BaseRepresentation
bin100010010011011000
321010201212
4202103120
513444004
63002252
71123430
oct422330
9233655
10140504
1196621
1269388
134bc50
14392c0
152b96e
hex224d8

140504 has 32 divisors (see below), whose sum is σ = 325920. Its totient is φ = 55296.

The previous prime is 140477. The next prime is 140521. The reversal of 140504 is 405041.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140504.

It is an unprimeable number.

140504 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 in 7 ways as a sum of consecutive naturals, for example, 632 + ... + 824.

It is an arithmetic number, because the mean of its divisors is an integer number (10185).

2140504 is an apocalyptic number.

140504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162960).

140504 is an abundant number, since it is smaller than the sum of its proper divisors (185416).

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

140504 is a wasteful number, since it uses less digits than its factorization.

140504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 140504 is about 374.8386319471. The cubic root of 140504 is about 51.9871763250.

Adding to 140504 its reverse (405041), we get a palindrome (545545).

The spelling of 140504 in words is "one hundred forty thousand, five hundred four".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 193 364 386 728 772 1351 1544 2509 2702 5018 5404 10036 10808 17563 20072 35126 70252 140504