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67448085 = 354496539
BaseRepresentation
bin1000000010100…
…10110100010101
311200220201101020
410001102310111
5114231314320
610405351353
71446204435
oct401226425
9150821336
1067448085
1135088821
121a708559
1310c87113
148d5a2c5
155dc4940
hex4052d15

67448085 has 8 divisors (see below), whose sum is σ = 107916960. Its totient is φ = 35972304.

The previous prime is 67448053. The next prime is 67448159. The reversal of 67448085 is 58084476.

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

It is not a de Polignac number, because 67448085 - 25 = 67448053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2248255 + ... + 2248284.

It is an arithmetic number, because the mean of its divisors is an integer number (13489620).

Almost surely, 267448085 is an apocalyptic number.

It is an amenable number.

67448085 is a deficient number, since it is larger than the sum of its proper divisors (40468875).

67448085 is a wasteful number, since it uses less digits than its factorization.

67448085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496547.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 67448085 is about 8212.6783085666. The cubic root of 67448085 is about 407.0582312793.

The spelling of 67448085 in words is "sixty-seven million, four hundred forty-eight thousand, eighty-five".

Divisors: 1 3 5 15 4496539 13489617 22482695 67448085