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29295040 = 265432129
BaseRepresentation
bin110111111000…
…0000111000000
32001010100020111
41233300013000
524444420130
62523521104
7504001165
oct157600700
961110214
1029295040
1115599885
129989194
1360b9158
143c6806c
15288a02a
hex1bf01c0

29295040 has 56 divisors (see below), whose sum is σ = 71414640. Its totient is φ = 11440128.

The previous prime is 29295023. The next prime is 29295089. The reversal of 29295040 is 4059292.

It is a junction number, because it is equal to n+sod(n) for n = 29294993 and 29295011.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12696 + ... + 14824.

Almost surely, 229295040 is an apocalyptic number.

29295040 is a gapful number since it is divisible by the number (20) 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 29295040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35707320).

29295040 is an abundant number, since it is smaller than the sum of its proper divisors (42119600).

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

29295040 is a wasteful number, since it uses less digits than its factorization.

29295040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 29295040 is about 5412.4892609593. The cubic root of 29295040 is about 308.2700728915.

The spelling of 29295040 in words is "twenty-nine million, two hundred ninety-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 64 80 86 160 172 215 320 344 430 688 860 1376 1720 2129 2752 3440 4258 6880 8516 10645 13760 17032 21290 34064 42580 68128 85160 91547 136256 170320 183094 340640 366188 457735 681280 732376 915470 1464752 1830940 2929504 3661880 5859008 7323760 14647520 29295040