Search a number
-
+
8038742 = 229138599
BaseRepresentation
bin11110101010100101010110
3120010102002012
4132222211112
54024214432
6444144222
7125220365
oct36524526
916112065
108038742
1145a0698
122838072
131885c6a
1410d37dc
15a8bcb2
hex7aa956

8038742 has 8 divisors (see below), whose sum is σ = 12474000. Its totient is φ = 3880744.

The previous prime is 8038717. The next prime is 8038757. The reversal of 8038742 is 2478308.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 8038699 and 8038708.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 69242 + ... + 69357.

It is an arithmetic number, because the mean of its divisors is an integer number (1559250).

Almost surely, 28038742 is an apocalyptic number.

8038742 is a deficient number, since it is larger than the sum of its proper divisors (4435258).

8038742 is a wasteful number, since it uses less digits than its factorization.

8038742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138630.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 8038742 is about 2835.2675358773. The cubic root of 8038742 is about 200.3223302370.

The spelling of 8038742 in words is "eight million, thirty-eight thousand, seven hundred forty-two".

Divisors: 1 2 29 58 138599 277198 4019371 8038742