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67381054 = 2132591579
BaseRepresentation
bin1000000010000…
…10011100111110
311200210022102121
410001002130332
5114222143204
610404113154
71445505136
oct401023476
9150708377
1067381054
1135042424
121a6957ba
1310c62760
148d3dac6
155daeb54
hex404273e

67381054 has 8 divisors (see below), whose sum is σ = 108846360. Its totient is φ = 31098936.

The previous prime is 67381021. The next prime is 67381141. The reversal of 67381054 is 45018376.

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

It is a congruent number.

It is an unprimeable number.

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, 1295764 + ... + 1295815.

It is an arithmetic number, because the mean of its divisors is an integer number (13605795).

Almost surely, 267381054 is an apocalyptic number.

67381054 is a deficient number, since it is larger than the sum of its proper divisors (41465306).

67381054 is a wasteful number, since it uses less digits than its factorization.

67381054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591594.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 67381054 is about 8208.5963477321. The cubic root of 67381054 is about 406.9233395611.

The spelling of 67381054 in words is "sixty-seven million, three hundred eighty-one thousand, fifty-four".

Divisors: 1 2 13 26 2591579 5183158 33690527 67381054