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47042433 = 3212294253
BaseRepresentation
bin1011001101110…
…0111110000001
310021112000002100
42303130332001
544020324213
64400141013
71110565644
oct263347601
9107460070
1047042433
1124610749
1213907769
139991179
146367a5b
1541e3773
hex2cdcf81

47042433 has 12 divisors (see below), whose sum is σ = 68021460. Its totient is φ = 31328736.

The previous prime is 47042377. The next prime is 47042447. The reversal of 47042433 is 33424074.

It can be written as a sum of positive squares in 2 ways, for example, as 28483569 + 18558864 = 5337^2 + 4308^2 .

It is not a de Polignac number, because 47042433 - 29 = 47041921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47042397 and 47042406.

It is not an unprimeable number, because it can be changed into a prime (47042033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8935 + ... + 13187.

It is an arithmetic number, because the mean of its divisors is an integer number (5668455).

Almost surely, 247042433 is an apocalyptic number.

It is an amenable number.

47042433 is a deficient number, since it is larger than the sum of its proper divisors (20979027).

47042433 is a wasteful number, since it uses less digits than its factorization.

47042433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5488 (or 5485 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 47042433 is about 6858.7486468014. The cubic root of 47042433 is about 360.9911805357.

The spelling of 47042433 in words is "forty-seven million, forty-two thousand, four hundred thirty-three".

Divisors: 1 3 9 1229 3687 4253 11061 12759 38277 5226937 15680811 47042433