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47006082 = 234290161
BaseRepresentation
bin1011001101010…
…0000110000010
310021110011020000
42303110012002
544013143312
64355300430
71110354654
oct263240602
9107404200
1047006082
1124596402
12138aa716
13997a766
1463586d4
1541d7adc
hex2cd4182

47006082 has 20 divisors (see below), whose sum is σ = 105328806. Its totient is φ = 15668640.

The previous prime is 47006059. The next prime is 47006083. The reversal of 47006082 is 28060074.

It can be written as a sum of positive squares in only one way, i.e., 45441081 + 1565001 = 6741^2 + 1251^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (47006083) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 144919 + ... + 145242.

Almost surely, 247006082 is an apocalyptic number.

47006082 is an abundant number, since it is smaller than the sum of its proper divisors (58322724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47006082 is a wasteful number, since it uses less digits than its factorization.

47006082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290175 (or 290166 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 47006082 is about 6856.0981614910. The cubic root of 47006082 is about 360.8981739242.

The spelling of 47006082 in words is "forty-seven million, six thousand, eighty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 290161 580322 870483 1740966 2611449 5222898 7834347 15668694 23503041 47006082