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355044140 = 225118918133
BaseRepresentation
bin10101001010011…
…000101100101100
3220202002002222222
4111022120230230
51211342403030
655121454512
711540553053
oct2512305454
9822062888
10355044140
1117245aa10
129aaa1438
13587310b9
143522139a
15212833e5
hex15298b2c

355044140 has 48 divisors (see below), whose sum is σ = 822558240. Its totient is φ = 127649280.

The previous prime is 355044113. The next prime is 355044181. The reversal of 355044140 is 41440553.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10514 + ... + 28646.

It is an arithmetic number, because the mean of its divisors is an integer number (17136630).

Almost surely, 2355044140 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 355044140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411279120).

355044140 is an abundant number, since it is smaller than the sum of its proper divisors (467514100).

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

355044140 is a wasteful number, since it uses less digits than its factorization.

355044140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18242 (or 18240 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 355044140 is about 18842.6149989857. The cubic root of 355044140 is about 708.0992205630.

Adding to 355044140 its reverse (41440553), we get a palindrome (396484693).

The spelling of 355044140 in words is "three hundred fifty-five million, forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 89 110 178 220 356 445 890 979 1780 1958 3916 4895 9790 18133 19580 36266 72532 90665 181330 199463 362660 398926 797852 997315 1613837 1994630 3227674 3989260 6455348 8069185 16138370 17752207 32276740 35504414 71008828 88761035 177522070 355044140