Search a number
-
+
67406942 = 233703471
BaseRepresentation
bin1000000010010…
…00110001011110
311200211121221102
410001020301132
5114224010232
610404433102
71445643461
oct401106136
9150747842
1067406942
113505a919
121a6a8792
1310c71485
148d492d8
155db7662
hex4048c5e

67406942 has 4 divisors (see below), whose sum is σ = 101110416. Its totient is φ = 33703470.

The previous prime is 67406923. The next prime is 67406947. The reversal of 67406942 is 24960476.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 67406896 and 67406905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67406947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16851734 + ... + 16851737.

It is an arithmetic number, because the mean of its divisors is an integer number (25277604).

Almost surely, 267406942 is an apocalyptic number.

67406942 is a deficient number, since it is larger than the sum of its proper divisors (33703474).

67406942 is a wasteful number, since it uses less digits than its factorization.

67406942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33703473.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 67406942 is about 8210.1730797834. The cubic root of 67406942 is about 406.9754466048.

The spelling of 67406942 in words is "sixty-seven million, four hundred six thousand, nine hundred forty-two".

Divisors: 1 2 33703471 67406942