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63474490 = 257438543
BaseRepresentation
bin1111001000100…
…0101100111010
311102102211122001
43302020230322
5112222140430
610144251214
71400344552
oct362105472
9142384561
1063474490
1132914362
1219310b0a
13101c5591
148604162
15588c3ca
hex3c88b3a

63474490 has 16 divisors (see below), whose sum is σ = 114421248. Its totient is φ = 25352656.

The previous prime is 63474479. The next prime is 63474517. The reversal of 63474490 is 9447436.

63474490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3159 + ... + 11701.

It is an arithmetic number, because the mean of its divisors is an integer number (7151328).

Almost surely, 263474490 is an apocalyptic number.

63474490 is a deficient number, since it is larger than the sum of its proper divisors (50946758).

63474490 is a wasteful number, since it uses less digits than its factorization.

63474490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9293.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 63474490 is about 7967.0879247062. The cubic root of 63474490 is about 398.9021772193.

It can be divided in two parts, 6 and 3474490, that added together give a square (3474496 = 18642).

The spelling of 63474490 in words is "sixty-three million, four hundred seventy-four thousand, four hundred ninety".

Divisors: 1 2 5 10 743 1486 3715 7430 8543 17086 42715 85430 6347449 12694898 31737245 63474490