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488993274 = 23571173179
BaseRepresentation
bin11101001001010…
…111000111111010
31021002010102200000
4131021113013322
52000140241044
6120304453430
715055242240
oct3511270772
91232112600
10488993274
11231029980
1211791a276
137a400243
1448d2c790
152cde1d69
hex1d2571fa

488993274 has 192 divisors, whose sum is σ = 1396362240. Its totient is φ = 124571520.

The previous prime is 488993227. The next prime is 488993359. The reversal of 488993274 is 472399884.

488993274 is a `hidden beast` number, since 488 + 9 + 93 + 2 + 74 = 666.

It is a super-2 number, since 2×4889932742 = 478228844034478152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 488993274.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2731717 + ... + 2731895.

It is an arithmetic number, because the mean of its divisors is an integer number (7272720).

Almost surely, 2488993274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 488993274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698181120).

488993274 is an abundant number, since it is smaller than the sum of its proper divisors (907368966).

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

488993274 is a wasteful number, since it uses less digits than its factorization.

488993274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 275 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 488993274 is about 22113.1923068561. The cubic root of 488993274 is about 787.8332304023.

The spelling of 488993274 in words is "four hundred eighty-eight million, nine hundred ninety-three thousand, two hundred seventy-four".