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489930942 = 2381655157
BaseRepresentation
bin11101001100111…
…100000010111110
31021010220001220110
4131030330002332
52000410242232
6120340530450
715066226044
oct3514740276
91233801813
10489930942
1123160a406
121180b0a26
137a66ac87
14490d4394
152d029acc
hex1d33c0be

489930942 has 8 divisors (see below), whose sum is σ = 979861896. Its totient is φ = 163310312.

The previous prime is 489930907. The next prime is 489930967. The reversal of 489930942 is 249039984.

It is a sphenic number, since it is the product of 3 distinct primes.

489930942 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 489930891 and 489930900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40827573 + ... + 40827584.

It is an arithmetic number, because the mean of its divisors is an integer number (122482737).

Almost surely, 2489930942 is an apocalyptic number.

489930942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

489930942 is a wasteful number, since it uses less digits than its factorization.

489930942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81655162.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 489930942 is about 22134.3837049962. The cubic root of 489930942 is about 788.3364781771.

The spelling of 489930942 in words is "four hundred eighty-nine million, nine hundred thirty thousand, nine hundred forty-two".

Divisors: 1 2 3 6 81655157 163310314 244965471 489930942