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47116788 = 22323533221
BaseRepresentation
bin1011001110111…
…1000111110100
310021122210002020
42303233013310
544030214123
64401513140
71111325505
oct263570764
9107583066
1047116788
11246615a4
12139427b0
1399b8c74
146386bac
15420a7e3
hex2cef1f4

47116788 has 48 divisors (see below), whose sum is σ = 116919936. Its totient is φ = 14734720.

The previous prime is 47116781. The next prime is 47116813. The reversal of 47116788 is 88761174.

It is a happy number.

It is a super-2 number, since 2×471167882 = 4439983422873888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47116781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13018 + ... + 16238.

It is an arithmetic number, because the mean of its divisors is an integer number (2435832).

Almost surely, 247116788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47116788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58459968).

47116788 is an abundant number, since it is smaller than the sum of its proper divisors (69803148).

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

47116788 is a wasteful number, since it uses less digits than its factorization.

47116788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304 (or 3302 counting only the distinct ones).

The product of its digits is 75264, while the sum is 42.

The square root of 47116788 is about 6864.1669560115. The cubic root of 47116788 is about 361.1812739477.

The spelling of 47116788 in words is "forty-seven million, one hundred sixteen thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 23 46 53 69 92 106 138 159 212 276 318 636 1219 2438 3221 3657 4876 6442 7314 9663 12884 14628 19326 38652 74083 148166 170713 222249 296332 341426 444498 512139 682852 888996 1024278 2048556 3926399 7852798 11779197 15705596 23558394 47116788