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63474404 = 2272615309
BaseRepresentation
bin1111001000100…
…0101011100100
311102102211111212
43302020223210
5112222140104
610144250552
71400344400
oct362105344
9142384455
1063474404
1132914294
1219310a58
13101c5526
148604100
15588c36e
hex3c88ae4

63474404 has 36 divisors (see below), whose sum is σ = 131358780. Its totient is φ = 26752320.

The previous prime is 63474403. The next prime is 63474409. The reversal of 63474404 is 40447436.

It can be written as a sum of positive squares in 2 ways, for example, as 906304 + 62568100 = 952^2 + 7910^2 .

It is not an unprimeable number, because it can be changed into a prime (63474403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9302 + ... + 14610.

It is an arithmetic number, because the mean of its divisors is an integer number (3648855).

Almost surely, 263474404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63474404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65679390).

63474404 is an abundant number, since it is smaller than the sum of its proper divisors (67884376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63474404 is a wasteful number, since it uses less digits than its factorization.

63474404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388 (or 5379 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 63474404 is about 7967.0825275003. The cubic root of 63474404 is about 398.9019970651.

The spelling of 63474404 in words is "sixty-three million, four hundred seventy-four thousand, four hundred four".

Divisors: 1 2 4 7 14 28 49 61 98 122 196 244 427 854 1708 2989 5309 5978 10618 11956 21236 37163 74326 148652 260141 323849 520282 647698 1040564 1295396 2266943 4533886 9067772 15868601 31737202 63474404