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29808288 = 2532294383
BaseRepresentation
bin111000110110…
…1011010100000
32002002102021200
41301231122200
530112331123
62542521200
7511236426
oct161553240
962072250
1029808288
111590a454
129b96200
136238953
143d5d116
15293c143
hex1c6d6a0

29808288 has 144 divisors (see below), whose sum is σ = 90810720. Its totient is φ = 9257472.

The previous prime is 29808281. The next prime is 29808301. The reversal of 29808288 is 88280892.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (29808281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359095 + ... + 359177.

It is an arithmetic number, because the mean of its divisors is an integer number (630630).

Almost surely, 229808288 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 29808288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45405360).

29808288 is an abundant number, since it is smaller than the sum of its proper divisors (61002432).

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

29808288 is a wasteful number, since it uses less digits than its factorization.

29808288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 29808288 is about 5459.6966948723. The cubic root of 29808288 is about 310.0599537182.

The spelling of 29808288 in words is "twenty-nine million, eight hundred eight thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 29 32 36 43 48 58 72 83 86 87 96 116 129 144 166 172 174 232 249 258 261 288 332 344 348 387 464 498 516 522 664 688 696 747 774 928 996 1032 1044 1247 1328 1376 1392 1494 1548 1992 2064 2088 2407 2494 2656 2784 2988 3096 3569 3741 3984 4128 4176 4814 4988 5976 6192 7138 7221 7482 7968 8352 9628 9976 10707 11223 11952 12384 14276 14442 14964 19256 19952 21414 21663 22446 23904 28552 28884 29928 32121 38512 39904 42828 43326 44892 57104 57768 59856 64242 77024 85656 86652 89784 103501 114208 115536 119712 128484 171312 173304 179568 207002 231072 256968 310503 342624 346608 359136 414004 513936 621006 693216 828008 931509 1027872 1242012 1656016 1863018 2484024 3312032 3726036 4968048 7452072 9936096 14904144 29808288