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47422404 = 22321924189
BaseRepresentation
bin1011010011100…
…1101111000100
310022020022022100
42310321233010
544120004104
64412232100
71114040511
oct264715704
9108208270
1047422404
1124850177
1213a6b630
139a950c3
146426308
15426b139
hex2d39bc4

47422404 has 108 divisors (see below), whose sum is σ = 131056380. Its totient is φ = 14446080.

The previous prime is 47422381. The next prime is 47422409. The reversal of 47422404 is 40422474.

It can be written as a sum of positive squares in 2 ways, for example, as 5198400 + 42224004 = 2280^2 + 6498^2 .

It is a super-2 number, since 2×474224042 = 4497768802278432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47422409) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 532792 + ... + 532880.

It is an arithmetic number, because the mean of its divisors is an integer number (1213485).

Almost surely, 247422404 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 47422404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65528190).

47422404 is an abundant number, since it is smaller than the sum of its proper divisors (83633976).

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

47422404 is a wasteful number, since it uses less digits than its factorization.

47422404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 47422404 is about 6886.3926696058. The cubic root of 47422404 is about 361.9605076826.

Adding to 47422404 its reverse (40422474), we get a palindrome (87844878).

The spelling of 47422404 in words is "forty-seven million, four hundred twenty-two thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 41 57 76 82 89 114 123 164 171 178 228 246 267 342 356 361 369 492 534 684 722 738 779 801 1068 1083 1444 1476 1558 1602 1691 2166 2337 3116 3204 3249 3382 3649 4332 4674 5073 6498 6764 7011 7298 9348 10146 10947 12996 14022 14596 14801 15219 20292 21894 28044 29602 30438 32129 32841 43788 44403 59204 60876 64258 65682 69331 88806 96387 128516 131364 133209 138662 177612 192774 207993 266418 277324 289161 385548 415986 532836 578322 623979 831972 1156644 1247958 1317289 2495916 2634578 3951867 5269156 7903734 11855601 15807468 23711202 47422404