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102795648 = 27323103113
BaseRepresentation
bin1100010000010…
…00100110000000
321011102120010020
412020020212000
5202303430043
614111133440
72355514524
oct610104600
9234376106
10102795648
115303098a
122a514280
13183b2137
14d91bd84
159057e83
hex6208980

102795648 has 128 divisors (see below), whose sum is σ = 290234880. Its totient is φ = 32169984.

The previous prime is 102795647. The next prime is 102795697. The reversal of 102795648 is 846597201.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102795647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909640 + ... + 909752.

It is an arithmetic number, because the mean of its divisors is an integer number (2267460).

Almost surely, 2102795648 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 102795648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145117440).

102795648 is an abundant number, since it is smaller than the sum of its proper divisors (187439232).

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

102795648 is a wasteful number, since it uses less digits than its factorization.

102795648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 102795648 is about 10138.8188661205. The cubic root of 102795648 is about 468.4446063395. Note that the first 3 decimals are identical.

The spelling of 102795648 in words is "one hundred two million, seven hundred ninety-five thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 103 113 128 138 184 192 206 226 276 309 339 368 384 412 452 552 618 678 736 824 904 1104 1236 1356 1472 1648 1808 2208 2369 2472 2599 2712 2944 3296 3616 4416 4738 4944 5198 5424 6592 7107 7232 7797 8832 9476 9888 10396 10848 11639 13184 14214 14464 15594 18952 19776 20792 21696 23278 28428 31188 34917 37904 39552 41584 43392 46556 56856 62376 69834 75808 83168 93112 113712 124752 139668 151616 166336 186224 227424 249504 267697 279336 303232 332672 372448 454848 499008 535394 558672 744896 803091 909696 998016 1070788 1117344 1489792 1606182 2141576 2234688 3212364 4283152 4469376 6424728 8566304 12849456 17132608 25698912 34265216 51397824 102795648