Search a number
-
+
67438983 = 3171322333
BaseRepresentation
bin1000000010100…
…00100110000111
311200220020220010
410001100212013
5114231021413
610405241303
71446136053
oct401204607
9150806803
1067438983
11350819a7
121a703233
1310c82c31
148d56c63
155dc1dc3
hex4050987

67438983 has 8 divisors (see below), whose sum is σ = 95208048. Its totient is φ = 42314624.

The previous prime is 67438951. The next prime is 67439027. The reversal of 67438983 is 38983476.

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

It is a cyclic number.

It is not a de Polignac number, because 67438983 - 25 = 67438951 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67438913) 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, 661116 + ... + 661217.

It is an arithmetic number, because the mean of its divisors is an integer number (11901006).

Almost surely, 267438983 is an apocalyptic number.

67438983 is a deficient number, since it is larger than the sum of its proper divisors (27769065).

67438983 is a wasteful number, since it uses less digits than its factorization.

67438983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322353.

The product of its digits is 870912, while the sum is 48.

The square root of 67438983 is about 8212.1241466505. The cubic root of 67438983 is about 407.0399198590.

The spelling of 67438983 in words is "sixty-seven million, four hundred thirty-eight thousand, nine hundred eighty-three".

Divisors: 1 3 17 51 1322333 3966999 22479661 67438983