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47342230 = 2513364171
BaseRepresentation
bin1011010010011…
…0001010010110
310022002020022221
42310212022112
544104422410
64410412554
71113254665
oct264461226
9108066287
1047342230
11247a5a11
1213a3115a
139a67770
146404ddc
1542524da
hex2d26296

47342230 has 16 divisors (see below), whose sum is σ = 91771344. Its totient is φ = 17480160.

The previous prime is 47342201. The next prime is 47342233. The reversal of 47342230 is 3224374.

It is a junction number, because it is equal to n+sod(n) for n = 47342195 and 47342204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47342233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181956 + ... + 182215.

It is an arithmetic number, because the mean of its divisors is an integer number (5735709).

Almost surely, 247342230 is an apocalyptic number.

47342230 is a deficient number, since it is larger than the sum of its proper divisors (44429114).

47342230 is a wasteful number, since it uses less digits than its factorization.

47342230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364191.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 47342230 is about 6880.5690171671. The cubic root of 47342230 is about 361.7564115266.

The spelling of 47342230 in words is "forty-seven million, three hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 364171 728342 1820855 3641710 4734223 9468446 23671115 47342230