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492270990 = 235103159311
BaseRepresentation
bin11101010101110…
…111010110001110
31021022021221211220
4131111313112032
52002010132430
6120503024210
715125143251
oct3525672616
91238257756
10492270990
11232968532
12118a3b066
137acaa113
1449543098
152d33d110
hex1d57758e

492270990 has 32 divisors (see below), whose sum is σ = 1192928256. Its totient is φ = 129996960.

The previous prime is 492270971. The next prime is 492270991. The reversal of 492270990 is 99072294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492270991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76566 + ... + 82745.

It is an arithmetic number, because the mean of its divisors is an integer number (37279008).

Almost surely, 2492270990 is an apocalyptic number.

492270990 is an abundant number, since it is smaller than the sum of its proper divisors (700657266).

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

492270990 is a wasteful number, since it uses less digits than its factorization.

492270990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159424.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 492270990 is about 22187.1807582667. The cubic root of 492270990 is about 789.5895908116.

The spelling of 492270990 in words is "four hundred ninety-two million, two hundred seventy thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 3090 159311 318622 477933 796555 955866 1593110 2389665 4779330 16409033 32818066 49227099 82045165 98454198 164090330 246135495 492270990