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492509420 = 225131894267
BaseRepresentation
bin11101010110110…
…001100011101100
31021022202001220122
4131112301203230
52002040300140
6120512104112
715130155344
oct3526614354
91238661818
10492509420
11233010687
12118b35038
137b0617c0
14495a5d24
152d388ab5
hex1d5b18ec

492509420 has 24 divisors (see below), whose sum is σ = 1113829584. Its totient is φ = 181849536.

The previous prime is 492509417. The next prime is 492509441. The reversal of 492509420 is 24905294.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946874 + ... + 947393.

It is an arithmetic number, because the mean of its divisors is an integer number (46409566).

Almost surely, 2492509420 is an apocalyptic number.

It is an amenable number.

492509420 is an abundant number, since it is smaller than the sum of its proper divisors (621320164).

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

492509420 is a wasteful number, since it uses less digits than its factorization.

492509420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894289 (or 1894287 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 492509420 is about 22192.5532555405. The cubic root of 492509420 is about 789.7170486979.

The spelling of 492509420 in words is "four hundred ninety-two million, five hundred nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1894267 3788534 7577068 9471335 18942670 24625471 37885340 49250942 98501884 123127355 246254710 492509420