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104729760 = 253458081
BaseRepresentation
bin1100011111000…
…00110010100000
321022001211020000
412033200302200
5203302323020
614220420000
72411121402
oct617406240
9238054200
10104729760
1154132023
122b0a7600
131890b595
14dca2b72
1592db090
hex63e0ca0

104729760 has 120 divisors (see below), whose sum is σ = 369654516. Its totient is φ = 27924480.

The previous prime is 104729753. The next prime is 104729761. The reversal of 104729760 is 67927401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102333456 + 2396304 = 10116^2 + 1548^2 .

It is a tau number, because it is divible by the number of its divisors (120).

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

It is not an unprimeable number, because it can be changed into a prime (104729761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8920 + ... + 17000.

Almost surely, 2104729760 is an apocalyptic number.

104729760 is a gapful number since it is divisible by the number (10) 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 104729760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184827258).

104729760 is an abundant number, since it is smaller than the sum of its proper divisors (264924756).

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

104729760 is an equidigital number, since it uses as much as digits as its factorization.

104729760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8108 (or 8091 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 104729760 is about 10233.7559087561. The cubic root of 104729760 is about 471.3643170987.

The spelling of 104729760 in words is "one hundred four million, seven hundred twenty-nine thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 270 288 324 360 405 432 480 540 648 720 810 864 1080 1296 1440 1620 2160 2592 3240 4320 6480 8081 12960 16162 24243 32324 40405 48486 64648 72729 80810 96972 121215 129296 145458 161620 193944 218187 242430 258592 290916 323240 363645 387888 436374 484860 581832 646480 654561 727290 775776 872748 969720 1090935 1163664 1292960 1309122 1454580 1745496 1939440 2181870 2327328 2618244 2909160 3272805 3490992 3878880 4363740 5236488 5818320 6545610 6981984 8727480 10472976 11636640 13091220 17454960 20945952 26182440 34909920 52364880 104729760