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47624890 = 254762489
BaseRepresentation
bin1011010110101…
…1001010111010
310022121121001211
42311223022322
544142444030
64420433334
71115543035
oct265531272
9108547054
1047624890
1124979315
1213b4884a
139b36311
14647a01c
1542ab12a
hex2d6b2ba

47624890 has 8 divisors (see below), whose sum is σ = 85724820. Its totient is φ = 19049952.

The previous prime is 47624869. The next prime is 47624891. The reversal of 47624890 is 9842674.

It can be written as a sum of positive squares in 2 ways, for example, as 47623801 + 1089 = 6901^2 + 33^2 .

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

It is not an unprimeable number, because it can be changed into a prime (47624891) 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, 2381235 + ... + 2381254.

Almost surely, 247624890 is an apocalyptic number.

47624890 is a deficient number, since it is larger than the sum of its proper divisors (38099930).

47624890 is a wasteful number, since it uses less digits than its factorization.

47624890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762496.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 47624890 is about 6901.0789011574. The cubic root of 47624890 is about 362.4749471390.

The spelling of 47624890 in words is "forty-seven million, six hundred twenty-four thousand, eight hundred ninety".

Divisors: 1 2 5 10 4762489 9524978 23812445 47624890