Search a number
-
+
67400103 = 322466701
BaseRepresentation
bin1000000010001…
…11000110100111
311200211021120010
410001013012213
5114223300403
610404341303
71445614521
oct401070647
9150737503
1067400103
1135055771
121a6a4833
1310c6b324
148d46a11
155db5603
hex40471a7

67400103 has 4 divisors (see below), whose sum is σ = 89866808. Its totient is φ = 44933400.

The previous prime is 67400101. The next prime is 67400111. The reversal of 67400103 is 30100476.

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

It is not a de Polignac number, because 67400103 - 21 = 67400101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67400103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67400101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11233348 + ... + 11233353.

It is an arithmetic number, because the mean of its divisors is an integer number (22466702).

Almost surely, 267400103 is an apocalyptic number.

67400103 is a deficient number, since it is larger than the sum of its proper divisors (22466705).

67400103 is a wasteful number, since it uses less digits than its factorization.

67400103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22466704.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 67400103 is about 8209.7565737359. The cubic root of 67400103 is about 406.9616824477.

Adding to 67400103 its reverse (30100476), we get a palindrome (97500579).

The spelling of 67400103 in words is "sixty-seven million, four hundred thousand, one hundred three".

Divisors: 1 3 22466701 67400103