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29163040 = 2551131613
BaseRepresentation
bin110111100111…
…1111000100000
32000212122011121
41233033320200
524431204130
62521022024
7502611304
oct157177040
960778147
1029163040
1115509695
129924914
13607104a
143c31d04
152860d7a
hex1bcfe20

29163040 has 48 divisors (see below), whose sum is σ = 69550488. Its totient is φ = 11554816.

The previous prime is 29163031. The next prime is 29163107. The reversal of 29163040 is 4036192.

It can be written as a sum of positive squares in 4 ways, for example, as 16289296 + 12873744 = 4036^2 + 3588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29162996 and 29163014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17274 + ... + 18886.

Almost surely, 229163040 is an apocalyptic number.

29163040 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 29163040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34775244).

29163040 is an abundant number, since it is smaller than the sum of its proper divisors (40387448).

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

29163040 is a wasteful number, since it uses less digits than its factorization.

29163040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 29163040 is about 5400.2814741456. The cubic root of 29163040 is about 307.8063661760.

The spelling of 29163040 in words is "twenty-nine million, one hundred sixty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 113 160 226 452 565 904 1130 1613 1808 2260 3226 3616 4520 6452 8065 9040 12904 16130 18080 25808 32260 51616 64520 129040 182269 258080 364538 729076 911345 1458152 1822690 2916304 3645380 5832608 7290760 14581520 29163040