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47401308 = 22334359173
BaseRepresentation
bin1011010011010…
…0100101011100
310022012020101000
42310310211130
544113320213
64411550300
71113622143
oct264644534
9108166330
1047401308
1124836339
1213a5b390
139a88616
14641c75a
154264c73
hex2d3495c

47401308 has 96 divisors (see below), whose sum is σ = 128620800. Its totient is φ = 15083712.

The previous prime is 47401303. The next prime is 47401313. The reversal of 47401308 is 80310474.

47401308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47401303) and next prime (47401313).

It is a super-2 number, since 2×474013082 = 4493768000221728, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47401303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273910 + ... + 274082.

It is an arithmetic number, because the mean of its divisors is an integer number (1339800).

Almost surely, 247401308 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 47401308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64310400).

47401308 is an abundant number, since it is smaller than the sum of its proper divisors (81219492).

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

47401308 is a wasteful number, since it uses less digits than its factorization.

47401308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 280 counting only the distinct ones).

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

The square root of 47401308 is about 6884.8607829062. The cubic root of 47401308 is about 361.9068266459.

The spelling of 47401308 in words is "forty-seven million, four hundred one thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 43 54 59 86 108 118 129 172 173 177 236 258 346 354 387 516 519 531 692 708 774 1038 1062 1161 1548 1557 1593 2076 2124 2322 2537 3114 3186 4644 4671 5074 6228 6372 7439 7611 9342 10148 10207 14878 15222 18684 20414 22317 22833 29756 30444 30621 40828 44634 45666 61242 66951 68499 89268 91332 91863 122484 133902 136998 183726 200853 267804 273996 275589 367452 401706 438901 551178 803412 877802 1102356 1316703 1755604 2633406 3950109 5266812 7900218 11850327 15800436 23700654 47401308