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48488490 = 2335473821
BaseRepresentation
bin1011100011111…
…0000000101010
310101020110201000
42320332000222
544403112430
64451135430
71126100601
oct270760052
9111213630
1048488490
1125409136
12142a4576
13a07941b
146622a38
1543cbe60
hex2e3e02a

48488490 has 64 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 12651840.

The previous prime is 48488483. The next prime is 48488507. The reversal of 48488490 is 9488484.

48488490 is a `hidden beast` number, since 4 + 84 + 88 + 490 = 666.

It is a super-2 number, since 2×484884902 = 4702267324960200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10780 + ... + 14600.

It is an arithmetic number, because the mean of its divisors is an integer number (2063880).

Almost surely, 248488490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48488490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66044160).

48488490 is an abundant number, since it is smaller than the sum of its proper divisors (83599830).

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

48488490 is a wasteful number, since it uses less digits than its factorization.

48488490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884 (or 3878 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 48488490 is about 6963.3677197172. The cubic root of 48488490 is about 364.6528005063.

The spelling of 48488490 in words is "forty-eight million, four hundred eighty-eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 47 54 90 94 135 141 235 270 282 423 470 705 846 1269 1410 2115 2538 3821 4230 6345 7642 11463 12690 19105 22926 34389 38210 57315 68778 103167 114630 171945 179587 206334 343890 359174 515835 538761 897935 1031670 1077522 1616283 1795870 2693805 3232566 4848849 5387610 8081415 9697698 16162830 24244245 48488490