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47633421 = 3111443437
BaseRepresentation
bin1011010110110…
…1010000001101
310022122000202210
42311231100031
544143232141
64420541033
71115606643
oct265552015
9108560683
1047633421
1124984770
1213b51779
139b3a174
14647d193
1542ad916
hex2d6d40d

47633421 has 8 divisors (see below), whose sum is σ = 69285024. Its totient is φ = 28868720.

The previous prime is 47633413. The next prime is 47633429. The reversal of 47633421 is 12433674.

47633421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47633413) and next prime (47633429).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47633421 - 23 = 47633413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47633429) by changing a digit.

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, 721686 + ... + 721751.

It is an arithmetic number, because the mean of its divisors is an integer number (8660628).

Almost surely, 247633421 is an apocalyptic number.

It is an amenable number.

47633421 is a deficient number, since it is larger than the sum of its proper divisors (21651603).

47633421 is a wasteful number, since it uses less digits than its factorization.

47633421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443451.

The product of its digits is 12096, while the sum is 30.

The square root of 47633421 is about 6901.6969652398. The cubic root of 47633421 is about 362.4965891078.

The spelling of 47633421 in words is "forty-seven million, six hundred thirty-three thousand, four hundred twenty-one".

Divisors: 1 3 11 33 1443437 4330311 15877807 47633421