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47896434 = 2341731709
BaseRepresentation
bin1011011010110…
…1011101110010
310100010101120000
42312231131302
544230141214
64430330430
71121053515
oct266553562
9110111500
1047896434
1125044333
1214059a16
139bccab1
14650ad7c
154311809
hex2dad772

47896434 has 40 divisors (see below), whose sum is σ = 108007020. Its totient is φ = 15863904.

The previous prime is 47896423. The next prime is 47896447. The reversal of 47896434 is 43469874.

It can be written as a sum of positive squares in 2 ways, for example, as 47651409 + 245025 = 6903^2 + 495^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47896434.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27172 + ... + 28880.

Almost surely, 247896434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47896434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54003510).

47896434 is an abundant number, since it is smaller than the sum of its proper divisors (60110586).

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

47896434 is a wasteful number, since it uses less digits than its factorization.

47896434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 1887 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 47896434 is about 6920.7249620253. The cubic root of 47896434 is about 363.1625527012.

The spelling of 47896434 in words is "forty-seven million, eight hundred ninety-six thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 173 346 519 1038 1557 1709 3114 3418 4671 5127 9342 10254 14013 15381 28026 30762 46143 92286 138429 276858 295657 591314 886971 1773942 2660913 5321826 7982739 15965478 23948217 47896434