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47339090 = 2511341893
BaseRepresentation
bin1011010010010…
…1011001010010
310022002002000122
42310211121102
544104322330
64410350242
71113242561
oct264453122
9108062018
1047339090
11247a3617
1213a2b382
139a661c6
146403bd8
1542515e5
hex2d25652

47339090 has 16 divisors (see below), whose sum is σ = 85966488. Its totient is φ = 18767616.

The previous prime is 47339081. The next prime is 47339099. The reversal of 47339090 is 9093374.

It is an interprime number because it is at equal distance from previous prime (47339081) and next prime (47339099).

It can be written as a sum of positive squares in 4 ways, for example, as 34023889 + 13315201 = 5833^2 + 3649^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47339090.

It is not an unprimeable number, because it can be changed into a prime (47339099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19817 + ... + 22076.

Almost surely, 247339090 is an apocalyptic number.

47339090 is a deficient number, since it is larger than the sum of its proper divisors (38627398).

47339090 is a wasteful number, since it uses less digits than its factorization.

47339090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42013.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 47339090 is about 6880.3408345808. The cubic root of 47339090 is about 361.7484134507.

The spelling of 47339090 in words is "forty-seven million, three hundred thirty-nine thousand, ninety".

Divisors: 1 2 5 10 113 226 565 1130 41893 83786 209465 418930 4733909 9467818 23669545 47339090