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29830370 = 2531412347
BaseRepresentation
bin111000111001…
…0110011100010
32002010112120112
41301302303202
530114032440
62543211322
7511361003
oct161626342
962115515
1029830370
1115924aa9
129ba6b42
136245a0b
143d671aa
152943965
hex1c72ce2

29830370 has 32 divisors (see below), whose sum is σ = 56802816. Its totient is φ = 11260800.

The previous prime is 29830369. The next prime is 29830417. The reversal of 29830370 is 7303892.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 11537 + ... + 13883.

It is an arithmetic number, because the mean of its divisors is an integer number (1775088).

Almost surely, 229830370 is an apocalyptic number.

29830370 is a deficient number, since it is larger than the sum of its proper divisors (26972446).

29830370 is a wasteful number, since it uses less digits than its factorization.

29830370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 29830370 is about 5461.7185939958. The cubic root of 29830370 is about 310.1364990278.

The spelling of 29830370 in words is "twenty-nine million, eight hundred thirty thousand, three hundred seventy".

Divisors: 1 2 5 10 31 41 62 82 155 205 310 410 1271 2347 2542 4694 6355 11735 12710 23470 72757 96227 145514 192454 363785 481135 727570 962270 2983037 5966074 14915185 29830370