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67381092 = 22331973167
BaseRepresentation
bin1000000010000…
…10011101100100
311200210022111000
410001002131210
5114222143332
610404113300
71445505222
oct401023544
9150708430
1067381092
1135042459
121a695830
1310c6278c
148d3db12
155daeb7c
hex4042764

67381092 has 48 divisors (see below), whose sum is σ = 175633920. Its totient is φ = 22339296.

The previous prime is 67381021. The next prime is 67381141. The reversal of 67381092 is 29018376.

It is a super-2 number, since 2×673810922 = 9080423118224928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19693 + ... + 22859.

It is an arithmetic number, because the mean of its divisors is an integer number (3659040).

Almost surely, 267381092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67381092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87816960).

67381092 is an abundant number, since it is smaller than the sum of its proper divisors (108252828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67381092 is a wasteful number, since it uses less digits than its factorization.

67381092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377 (or 3369 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 67381092 is about 8208.5986623784. The cubic root of 67381092 is about 406.9234160568.

The spelling of 67381092 in words is "sixty-seven million, three hundred eighty-one thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 197 394 591 788 1182 1773 2364 3167 3546 5319 6334 7092 9501 10638 12668 19002 21276 28503 38004 57006 85509 114012 171018 342036 623899 1247798 1871697 2495596 3743394 5615091 7486788 11230182 16845273 22460364 33690546 67381092