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29473490 = 254368543
BaseRepresentation
bin111000001101…
…1101011010010
32001110102000202
41300123223102
530021122430
62531415202
7505343354
oct160335322
961412022
1029473490
1115700962
129a54502
13614c447
143cb30d4
1528c2d45
hex1c1bad2

29473490 has 16 divisors (see below), whose sum is σ = 54286848. Its totient is φ = 11515056.

The previous prime is 29473489. The next prime is 29473513. The reversal of 29473490 is 9437492.

It is a super-2 number, since 2×294734902 = 1737373225560200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33842 + ... + 34701.

It is an arithmetic number, because the mean of its divisors is an integer number (3392928).

Almost surely, 229473490 is an apocalyptic number.

29473490 is a deficient number, since it is larger than the sum of its proper divisors (24813358).

29473490 is a wasteful number, since it uses less digits than its factorization.

29473490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68593.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 29473490 is about 5428.9492537691. The cubic root of 29473490 is about 308.8947460105.

The spelling of 29473490 in words is "twenty-nine million, four hundred seventy-three thousand, four hundred ninety".

Divisors: 1 2 5 10 43 86 215 430 68543 137086 342715 685430 2947349 5894698 14736745 29473490