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490603428 = 223271946839
BaseRepresentation
bin11101001111100…
…000001110100100
31021012011020101100
4131033200032210
52001043302203
6120403200100
715105026460
oct3517401644
91235136340
10490603428
11231a29687
12118376030
137a8450b3
144922b4a0
152d10dea3
hex1d3e03a4

490603428 has 36 divisors (see below), whose sum is σ = 1417299520. Its totient is φ = 140172336.

The previous prime is 490603403. The next prime is 490603429. The reversal of 490603428 is 824306094.

It is a happy number.

490603428 is a `hidden beast` number, since 4 + 9 + 0 + 603 + 42 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 490603392 and 490603401.

It is not an unprimeable number, because it can be changed into a prime (490603429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 973168 + ... + 973671.

Almost surely, 2490603428 is an apocalyptic number.

It is an amenable number.

490603428 is an abundant number, since it is smaller than the sum of its proper divisors (926696092).

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

490603428 is a wasteful number, since it uses less digits than its factorization.

490603428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946856 (or 1946851 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 490603428 is about 22149.5694766287. The cubic root of 490603428 is about 788.6970071297.

The spelling of 490603428 in words is "four hundred ninety million, six hundred three thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 1946839 3893678 5840517 7787356 11681034 13627873 17521551 23362068 27255746 35043102 40883619 54511492 70086204 81767238 122650857 163534476 245301714 490603428