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491079488 = 267673117
BaseRepresentation
bin11101010001010…
…100011101000000
31021020001102102012
4131101110131000
52001204020423
6120421312052
715112051424
oct3521243500
91236042365
10491079488
11232224319
12118565628
137a9809a3
1449312b84
152d1a5078
hex1d454740

491079488 has 14 divisors (see below), whose sum is σ = 974485986. Its totient is φ = 245539712.

The previous prime is 491079469. The next prime is 491079497. The reversal of 491079488 is 884970194.

It can be written as a sum of positive squares in only one way, i.e., 308072704 + 183006784 = 17552^2 + 13528^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3836495 + ... + 3836622.

Almost surely, 2491079488 is an apocalyptic number.

It is an amenable number.

491079488 is a deficient number, since it is larger than the sum of its proper divisors (483406498).

491079488 is an equidigital number, since it uses as much as digits as its factorization.

491079488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673129 (or 7673119 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 491079488 is about 22160.3133551852. The cubic root of 491079488 is about 788.9520302948.

The spelling of 491079488 in words is "four hundred ninety-one million, seventy-nine thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 64 7673117 15346234 30692468 61384936 122769872 245539744 491079488