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494429445 = 32517719103
BaseRepresentation
bin11101011110000…
…110010100000101
31021110100121200200
4131132012110011
52003033220240
6121021201113
715152403156
oct3536062405
91243317620
10494429445
11234102184
12119700199
137b584703
144994592d
152d617930
hex1d786505

494429445 has 48 divisors (see below), whose sum is σ = 920305152. Its totient is φ = 244661760.

The previous prime is 494429431. The next prime is 494429449. The reversal of 494429445 is 544924494.

It is not a de Polignac number, because 494429445 - 27 = 494429317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 494429445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494429449) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49764 + ... + 58866.

It is an arithmetic number, because the mean of its divisors is an integer number (19173024).

Almost surely, 2494429445 is an apocalyptic number.

494429445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

494429445 is a deficient number, since it is larger than the sum of its proper divisors (425875707).

494429445 is a wasteful number, since it uses less digits than its factorization.

494429445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9202 (or 9199 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 494429445 is about 22235.7694942181. The cubic root of 494429445 is about 790.7419430408.

The spelling of 494429445 in words is "four hundred ninety-four million, four hundred twenty-nine thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 17 45 51 71 85 153 213 255 355 639 765 1065 1207 3195 3621 6035 9103 10863 18105 27309 45515 54315 81927 136545 154751 409635 464253 646313 773755 1392759 1938939 2321265 3231565 5816817 6963795 9694695 10987321 29084085 32961963 54936605 98885889 164809815 494429445