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47424490 = 2579173347
BaseRepresentation
bin1011010011101…
…0001111101010
310022020102011121
42310322033222
544120040430
64412245454
71114046551
oct264721752
9108212147
1047424490
11248517a3
1213a7088a
139a96039
146426d98
15426ba7a
hex2d3a3ea

47424490 has 32 divisors (see below), whose sum is σ = 87194880. Its totient is φ = 18567744.

The previous prime is 47424473. The next prime is 47424499. The reversal of 47424490 is 9442474.

It is not an unprimeable number, because it can be changed into a prime (47424499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136497 + ... + 136843.

It is an arithmetic number, because the mean of its divisors is an integer number (2724840).

Almost surely, 247424490 is an apocalyptic number.

47424490 is a deficient number, since it is larger than the sum of its proper divisors (39770390).

47424490 is a wasteful number, since it uses less digits than its factorization.

47424490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 47424490 is about 6886.5441260475. The cubic root of 47424490 is about 361.9658148686.

It can be divided in two parts, 474 and 24490, that added together give a square (24964 = 1582).

The spelling of 47424490 in words is "forty-seven million, four hundred twenty-four thousand, four hundred ninety".

Divisors: 1 2 5 10 79 158 173 346 347 395 694 790 865 1730 1735 3470 13667 27334 27413 54826 60031 68335 120062 136670 137065 274130 300155 600310 4742449 9484898 23712245 47424490