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890313648 = 243719113873
BaseRepresentation
bin110101000100010…
…001101110110000
32022001021121201120
4311010101232300
53310410014043
6224202302240
731030353420
oct6504215660
92261247646
10890313648
11417616904
1220a1b7980
131125b4813
1486358480
1553266983
hex35111bb0

890313648 has 80 divisors (see below), whose sum is σ = 2642497536. Its totient is φ = 253025280.

The previous prime is 890313637. The next prime is 890313673. The reversal of 890313648 is 846313098.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57240 + ... + 71112.

Almost surely, 2890313648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 890313648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321248768).

890313648 is an abundant number, since it is smaller than the sum of its proper divisors (1752183888).

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

890313648 is a wasteful number, since it uses less digits than its factorization.

890313648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14082 (or 14076 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 890313648 is about 29838.1240697199. The cubic root of 890313648 is about 962.0131538666.

The spelling of 890313648 in words is "eight hundred ninety million, three hundred thirteen thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 191 336 382 573 764 1146 1337 1528 2292 2674 3056 4011 4584 5348 8022 9168 10696 13873 16044 21392 27746 32088 41619 55492 64176 83238 97111 110984 166476 194222 221968 291333 332952 388444 582666 665904 776888 1165332 1553776 2330664 2649743 4661328 5299486 7949229 10598972 15898458 18548201 21197944 31796916 37096402 42395888 55644603 63593832 74192804 111289206 127187664 148385608 222578412 296771216 445156824 890313648