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490197910 = 25192579989
BaseRepresentation
bin11101001101111…
…101001110010110
31021011101122010011
4131031331032112
52000442313120
6120350350434
715101420266
oct3515751626
91234348104
10490197910
11231781a44
121181bb41a
137a732647
14491637a6
152d07dc5a
hex1d37d396

490197910 has 16 divisors (see below), whose sum is σ = 928796400. Its totient is φ = 185759136.

The previous prime is 490197859. The next prime is 490197913. The reversal of 490197910 is 19791094.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490197913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289805 + ... + 1290184.

It is an arithmetic number, because the mean of its divisors is an integer number (58049775).

Almost surely, 2490197910 is an apocalyptic number.

490197910 is a deficient number, since it is larger than the sum of its proper divisors (438598490).

490197910 is a wasteful number, since it uses less digits than its factorization.

490197910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580015.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 490197910 is about 22140.4135011070. The cubic root of 490197910 is about 788.4796428418.

The spelling of 490197910 in words is "four hundred ninety million, one hundred ninety-seven thousand, nine hundred ten".

Divisors: 1 2 5 10 19 38 95 190 2579989 5159978 12899945 25799890 49019791 98039582 245098955 490197910