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29688030 = 2325329867
BaseRepresentation
bin111000101000…
…0000011011110
32001212022022200
41301100003132
530100004110
62540152330
7510226011
oct161200336
961768280
1029688030
1115838069
129b386a6
1361c5ca8
143d2b378
1529166c0
hex1c500de

29688030 has 24 divisors (see below), whose sum is σ = 77189112. Its totient is φ = 7916784.

The previous prime is 29688019. The next prime is 29688031. The reversal of 29688030 is 3088692.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29688031) 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 11 ways as a sum of consecutive naturals, for example, 164844 + ... + 165023.

It is an arithmetic number, because the mean of its divisors is an integer number (3216213).

Almost surely, 229688030 is an apocalyptic number.

29688030 is an abundant number, since it is smaller than the sum of its proper divisors (47501082).

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

29688030 is a wasteful number, since it uses less digits than its factorization.

29688030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329880 (or 329877 counting only the distinct ones).

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

The square root of 29688030 is about 5448.6723153444. The cubic root of 29688030 is about 309.6424250297.

The spelling of 29688030 in words is "twenty-nine million, six hundred eighty-eight thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 329867 659734 989601 1649335 1979202 2968803 3298670 4948005 5937606 9896010 14844015 29688030