Search a number
-
+
283437142 = 2232267899
BaseRepresentation
bin10000111001001…
…110100001010110
3201202100002122221
4100321032201112
51040024442032
644043012554
710011114232
oct2071164126
9652302587
10283437142
11135aa157a
127ab0a15a
134694bcb1
14299015c2
1519d3b597
hex10e4e856

283437142 has 12 divisors (see below), whose sum is σ = 444446100. Its totient is φ = 135556388.

The previous prime is 283437139. The next prime is 283437149. The reversal of 283437142 is 241734382.

It is a super-2 number, since 2×2834371422 = 160673226930256328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 283437098 and 283437107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283437149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132892 + ... + 135007.

It is an arithmetic number, because the mean of its divisors is an integer number (37037175).

Almost surely, 2283437142 is an apocalyptic number.

283437142 is a deficient number, since it is larger than the sum of its proper divisors (161008958).

283437142 is a wasteful number, since it uses less digits than its factorization.

283437142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267947 (or 267924 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 283437142 is about 16835.5915250994. The cubic root of 283437142 is about 656.8793157517.

The spelling of 283437142 in words is "two hundred eighty-three million, four hundred thirty-seven thousand, one hundred forty-two".

Divisors: 1 2 23 46 529 1058 267899 535798 6161677 12323354 141718571 283437142