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489051739 = 11107415507
BaseRepresentation
bin11101001001100…
…101011001011011
31021002020101212101
4131021211121123
52000144123424
6120310024231
715055604551
oct3511453133
91232211771
10489051739
112310698a0
12117948077
137a420a37
1448d45bd1
152ce04344
hex1d26565b

489051739 has 8 divisors (see below), whose sum is σ = 538498368. Its totient is φ = 440436360.

The previous prime is 489051721. The next prime is 489051743. The reversal of 489051739 is 937150984.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 489051739 - 27 = 489051611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489051709) 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, 206577 + ... + 208930.

It is an arithmetic number, because the mean of its divisors is an integer number (67312296).

Almost surely, 2489051739 is an apocalyptic number.

489051739 is a deficient number, since it is larger than the sum of its proper divisors (49446629).

489051739 is a wasteful number, since it uses less digits than its factorization.

489051739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415625.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 489051739 is about 22114.5142157815. The cubic root of 489051739 is about 787.8646274492.

The spelling of 489051739 in words is "four hundred eighty-nine million, fifty-one thousand, seven hundred thirty-nine".

Divisors: 1 11 107 1177 415507 4570577 44459249 489051739