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488246985 = 32510849933
BaseRepresentation
bin11101000110100…
…000111011001001
31021000201111221200
4131012200323021
51444442400420
6120240454413
715046013412
oct3506407311
91230644850
10488246985
1123066a206
1211761a409
137a1cb655
1448bb6809
152cce5b90
hex1d1a0ec9

488246985 has 12 divisors (see below), whose sum is σ = 846294852. Its totient is φ = 260398368.

The previous prime is 488246947. The next prime is 488246999. The reversal of 488246985 is 589642884.

488246985 is a `hidden beast` number, since 488 + 24 + 69 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 381186576 + 107060409 = 19524^2 + 10347^2 .

It is not a de Polignac number, because 488246985 - 28 = 488246729 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5424922 + ... + 5425011.

It is an arithmetic number, because the mean of its divisors is an integer number (70524571).

Almost surely, 2488246985 is an apocalyptic number.

488246985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

488246985 is a deficient number, since it is larger than the sum of its proper divisors (358047867).

488246985 is a wasteful number, since it uses less digits than its factorization.

488246985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10849944 (or 10849941 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 488246985 is about 22096.3115700336. The cubic root of 488246985 is about 787.4322360436.

The spelling of 488246985 in words is "four hundred eighty-eight million, two hundred forty-six thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 15 45 10849933 32549799 54249665 97649397 162748995 488246985