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47940234 = 23233741229
BaseRepresentation
bin1011011011100…
…0001010001010
310100012121122020
42312320022022
544233041414
64431305310
71121325306
oct266701212
9110177566
1047940234
1125074231
121407b236
139c16a04
14651cd06
15431e7a9
hex2db828a

47940234 has 64 divisors (see below), whose sum is σ = 105719040. Its totient is φ = 14446080.

The previous prime is 47940223. The next prime is 47940259. The reversal of 47940234 is 43204974.

It is a junction number, because it is equal to n+sod(n) for n = 47940195 and 47940204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209232 + ... + 209460.

It is an arithmetic number, because the mean of its divisors is an integer number (1651860).

Almost surely, 247940234 is an apocalyptic number.

47940234 is an abundant number, since it is smaller than the sum of its proper divisors (57778806).

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

47940234 is a wasteful number, since it uses less digits than its factorization.

47940234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 47940234 is about 6923.8886472848. Note that the first 3 decimals coincide. The cubic root of 47940234 is about 363.2732197679.

The spelling of 47940234 in words is "forty-seven million, nine hundred forty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 23 37 41 46 69 74 82 111 123 138 222 229 246 458 687 851 943 1374 1517 1702 1886 2553 2829 3034 4551 5106 5267 5658 8473 9102 9389 10534 15801 16946 18778 25419 28167 31602 34891 50838 56334 69782 104673 194879 209346 215947 347393 389758 431894 584637 647841 694786 1042179 1169274 1295682 2084358 7990039 15980078 23970117 47940234