Search a number
-
+
47343142 = 2711307423
BaseRepresentation
bin1011010010011…
…0011000100110
310022002021120201
42310212120212
544104440032
64410421114
71113260440
oct264463046
9108067521
1047343142
11247a6670
1213a3179a
139a67cc2
146405490
1542528e7
hex2d26626

47343142 has 16 divisors (see below), whose sum is σ = 88538112. Its totient is φ = 18445320.

The previous prime is 47343119. The next prime is 47343143. The reversal of 47343142 is 24134374.

It is a self number, because there is not a number n which added to its sum of digits gives 47343142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47343143) 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, 153558 + ... + 153865.

It is an arithmetic number, because the mean of its divisors is an integer number (5533632).

Almost surely, 247343142 is an apocalyptic number.

47343142 is a deficient number, since it is larger than the sum of its proper divisors (41194970).

47343142 is a wasteful number, since it uses less digits than its factorization.

47343142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307443.

The product of its digits is 8064, while the sum is 28.

The square root of 47343142 is about 6880.6352904365. The cubic root of 47343142 is about 361.7587344683.

The spelling of 47343142 in words is "forty-seven million, three hundred forty-three thousand, one hundred forty-two".

Divisors: 1 2 7 11 14 22 77 154 307423 614846 2151961 3381653 4303922 6763306 23671571 47343142