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140304 = 2433779
BaseRepresentation
bin100010010000010000
321010110110
4202100100
513442204
63001320
71123023
oct422020
9233413
10140304
119645a
1269240
134bb28
14391ba
152b889
hex22410

140304 has 40 divisors (see below), whose sum is σ = 376960. Its totient is φ = 44928.

The previous prime is 140297. The next prime is 140317. The reversal of 140304 is 403041.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 140304.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140304.

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, 1737 + ... + 1815.

It is an arithmetic number, because the mean of its divisors is an integer number (9424).

2140304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188480).

140304 is an abundant number, since it is smaller than the sum of its proper divisors (236656).

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

140304 is a wasteful number, since it uses less digits than its factorization.

140304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 140304 is about 374.5717554755. The cubic root of 140304 is about 51.9624976146.

Adding to 140304 its reverse (403041), we get a palindrome (543345).

It can be divided in two parts, 140 and 304, that added together give a palindrome (444).

The spelling of 140304 in words is "one hundred forty thousand, three hundred four", and thus it is an iban number.