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29033890 = 252903389
BaseRepresentation
bin110111011000…
…0010110100010
32000122002000021
41232300112202
524413041030
62514144054
7501532624
oct156602642
960562007
1029033890
1115430656
12988202a
136027322
143bdac14
15283797a
hex1bb05a2

29033890 has 8 divisors (see below), whose sum is σ = 52261020. Its totient is φ = 11613552.

The previous prime is 29033861. The next prime is 29033891. The reversal of 29033890 is 9833092.

It can be written as a sum of positive squares in 2 ways, for example, as 28633201 + 400689 = 5351^2 + 633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (29033891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451685 + ... + 1451704.

Almost surely, 229033890 is an apocalyptic number.

29033890 is a deficient number, since it is larger than the sum of its proper divisors (23227130).

29033890 is a wasteful number, since it uses less digits than its factorization.

29033890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903396.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 29033890 is about 5388.3104958790. The cubic root of 29033890 is about 307.3513150793.

The spelling of 29033890 in words is "twenty-nine million, thirty-three thousand, eight hundred ninety".

Divisors: 1 2 5 10 2903389 5806778 14516945 29033890