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47081404 = 2247250433
BaseRepresentation
bin1011001110011…
…0011110111100
310021120222112201
42303212132330
544023101104
64401041244
71111120366
oct263463674
9107528481
1047081404
1124637a57
1213926224
1399a5b26
146377d36
1542000a4
hex2ce67bc

47081404 has 12 divisors (see below), whose sum is σ = 84145824. Its totient is φ = 23039744.

The previous prime is 47081401. The next prime is 47081429. The reversal of 47081404 is 40418074.

It is a super-2 number, since 2×470814042 = 4433317205222432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47081401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125029 + ... + 125404.

It is an arithmetic number, because the mean of its divisors is an integer number (7012152).

Almost surely, 247081404 is an apocalyptic number.

It is an amenable number.

47081404 is a deficient number, since it is larger than the sum of its proper divisors (37064420).

47081404 is a wasteful number, since it uses less digits than its factorization.

47081404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250484 (or 250482 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 47081404 is about 6861.5890287892. The cubic root of 47081404 is about 361.0908374014.

Adding to 47081404 its reverse (40418074), we get a palindrome (87499478).

The spelling of 47081404 in words is "forty-seven million, eighty-one thousand, four hundred four".

Divisors: 1 2 4 47 94 188 250433 500866 1001732 11770351 23540702 47081404