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47711742 = 23132211223
BaseRepresentation
bin1011011000000…
…0010111111110
310022210000012120
42312000113332
544203233432
64422343410
71116354201
oct266002776
9108700176
1047711742
1124a285a1
1213b8ab66
139b66a00
14649d938
1542c6c2c
hex2d805fe

47711742 has 48 divisors (see below), whose sum is σ = 104283648. Its totient is φ = 14545440.

The previous prime is 47711731. The next prime is 47711747. The reversal of 47711742 is 24711774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47711747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213843 + ... + 214065.

It is an arithmetic number, because the mean of its divisors is an integer number (2172576).

Almost surely, 247711742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47711742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52141824).

47711742 is an abundant number, since it is smaller than the sum of its proper divisors (56571906).

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

47711742 is a wasteful number, since it uses less digits than its factorization.

47711742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 452 counting only the distinct ones).

The product of its digits is 10976, while the sum is 33.

The square root of 47711742 is about 6907.3686741045. The cubic root of 47711742 is about 362.6951580140.

The spelling of 47711742 in words is "forty-seven million, seven hundred eleven thousand, seven hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 169 211 223 338 422 446 507 633 669 1014 1266 1338 2743 2899 5486 5798 8229 8697 16458 17394 35659 37687 47053 71318 75374 94106 106977 113061 141159 213954 226122 282318 611689 1223378 1835067 3670134 7951957 15903914 23855871 47711742