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104931648 = 2632672719
BaseRepresentation
bin1100100000100…
…10000101000000
321022110002011100
412100102011000
5203330303043
614225014400
72412622113
oct620220500
9238402140
10104931648
115425a778
122b184400
131897c443
14dd1657a
15932acd3
hex6412140

104931648 has 84 divisors (see below), whose sum is σ = 305368960. Its totient is φ = 34442496.

The previous prime is 104931643. The next prime is 104931649. The reversal of 104931648 is 846139401.

104931648 is a `hidden beast` number, since 1 + 0 + 4 + 9 + 3 + 1 + 648 = 666.

It is a super-2 number, since 2×1049316482 = 22021301503991808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104931643) 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 11 ways as a sum of consecutive naturals, for example, 37233 + ... + 39951.

Almost surely, 2104931648 is an apocalyptic number.

104931648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104931648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152684480).

104931648 is an abundant number, since it is smaller than the sum of its proper divisors (200437312).

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

104931648 is a wasteful number, since it uses less digits than its factorization.

104931648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804 (or 2791 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 104931648 is about 10243.6149869077. The cubic root of 104931648 is about 471.6670063441.

The spelling of 104931648 in words is "one hundred four million, nine hundred thirty-one thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 67 72 96 134 144 192 201 268 288 402 536 576 603 804 1072 1206 1608 2144 2412 2719 3216 4288 4824 5438 6432 8157 9648 10876 12864 16314 19296 21752 24471 32628 38592 43504 48942 65256 87008 97884 130512 174016 182173 195768 261024 364346 391536 522048 546519 728692 783072 1093038 1457384 1566144 1639557 2186076 2914768 3279114 4372152 5829536 6558228 8744304 11659072 13116456 17488608 26232912 34977216 52465824 104931648