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47630023 = 76804289
BaseRepresentation
bin1011010110110…
…0011011000111
310022121212002221
42311230123013
544143130043
64420513211
71115564020
oct265543307
9108555087
1047630023
1124982161
1213b4b807
139b3875c
14647bc47
1542ac8ed
hex2d6c6c7

47630023 has 4 divisors (see below), whose sum is σ = 54434320. Its totient is φ = 40825728.

The previous prime is 47630021. The next prime is 47630029. The reversal of 47630023 is 32003674.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47630023 - 21 = 47630021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47630023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47630021) 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, 3402138 + ... + 3402151.

It is an arithmetic number, because the mean of its divisors is an integer number (13608580).

Almost surely, 247630023 is an apocalyptic number.

47630023 is a deficient number, since it is larger than the sum of its proper divisors (6804297).

47630023 is an equidigital number, since it uses as much as digits as its factorization.

47630023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804296.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 47630023 is about 6901.4507895080. The cubic root of 47630023 is about 362.4879691608.

Adding to 47630023 its reverse (32003674), we get a palindrome (79633697).

The spelling of 47630023 in words is "forty-seven million, six hundred thirty thousand, twenty-three".

Divisors: 1 7 6804289 47630023