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47224130 = 2517277789
BaseRepresentation
bin1011010000100…
…1010101000010
310021212020022212
42310021111002
544042133010
64404102122
71112253452
oct264112502
9107766285
1047224130
1124725208
1213994942
139a25a95
1463b3d62
15422c505
hex2d09542

47224130 has 16 divisors (see below), whose sum is σ = 90003960. Its totient is φ = 17778432.

The previous prime is 47224117. The next prime is 47224153. The reversal of 47224130 is 3142274.

It can be written as a sum of positive squares in 4 ways, for example, as 45738169 + 1485961 = 6763^2 + 1219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47224096 and 47224105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138725 + ... + 139064.

Almost surely, 247224130 is an apocalyptic number.

47224130 is a deficient number, since it is larger than the sum of its proper divisors (42779830).

47224130 is a wasteful number, since it uses less digits than its factorization.

47224130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277813.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 47224130 is about 6871.9815191835. The cubic root of 47224130 is about 361.4553483426.

The spelling of 47224130 in words is "forty-seven million, two hundred twenty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 277789 555578 1388945 2777890 4722413 9444826 23612065 47224130