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47422405 = 5311631877
BaseRepresentation
bin1011010011100…
…1101111000101
310022020022022101
42310321233011
544120004110
64412232101
71114040512
oct264715705
9108208271
1047422405
1124850178
1213a6b631
139a950c4
146426309
15426b13a
hex2d39bc5

47422405 has 16 divisors (see below), whose sum is σ = 59134464. Its totient is φ = 36469440.

The previous prime is 47422381. The next prime is 47422409. The reversal of 47422405 is 50422474.

It is a happy number.

It is not a de Polignac number, because 47422405 - 217 = 47291333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47422409) 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, 24327 + ... + 26203.

It is an arithmetic number, because the mean of its divisors is an integer number (3695904).

Almost surely, 247422405 is an apocalyptic number.

It is an amenable number.

47422405 is a deficient number, since it is larger than the sum of its proper divisors (11712059).

47422405 is a wasteful number, since it uses less digits than its factorization.

47422405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 47422405 is about 6886.3927422127. The cubic root of 47422405 is about 361.9605102269.

Adding to 47422405 its reverse (50422474), we get a palindrome (97844879).

The spelling of 47422405 in words is "forty-seven million, four hundred twenty-two thousand, four hundred five".

Divisors: 1 5 31 155 163 815 1877 5053 9385 25265 58187 290935 305951 1529755 9484481 47422405