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490740915 = 3574673723
BaseRepresentation
bin11101010000000…
…001110010110011
31021012102012222110
4131100001302303
52001112202130
6120410140403
715106141350
oct3520016263
91235365873
10490740915
11232012a05
12118421703
137a892852
1449265627
152d139ab0
hex1d401cb3

490740915 has 16 divisors (see below), whose sum is σ = 897355008. Its totient is φ = 224338656.

The previous prime is 490740889. The next prime is 490740919. The reversal of 490740915 is 519047094.

It is not a de Polignac number, because 490740915 - 212 = 490736819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490740919) by changing a digit.

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, 2336757 + ... + 2336966.

It is an arithmetic number, because the mean of its divisors is an integer number (56084688).

Almost surely, 2490740915 is an apocalyptic number.

490740915 is a deficient number, since it is larger than the sum of its proper divisors (406614093).

490740915 is a wasteful number, since it uses less digits than its factorization.

490740915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673738.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 490740915 is about 22152.6728635621. The cubic root of 490740915 is about 788.7706752232.

The spelling of 490740915 in words is "four hundred ninety million, seven hundred forty thousand, nine hundred fifteen".

Divisors: 1 3 5 7 15 21 35 105 4673723 14021169 23368615 32716061 70105845 98148183 163580305 490740915