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67425770 = 256742577
BaseRepresentation
bin1000000010011…
…01010111101010
311200212120202202
410001031113222
5114230111040
610405100202
71446052406
oct401152752
9150776682
1067425770
1135072a85
121a6b7662
1310c79c09
148d52106
155dbd015
hex404d5ea

67425770 has 8 divisors (see below), whose sum is σ = 121366404. Its totient is φ = 26970304.

The previous prime is 67425769. The next prime is 67425781. The reversal of 67425770 is 7752476.

It can be written as a sum of positive squares in 2 ways, for example, as 65885689 + 1540081 = 8117^2 + 1241^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3371279 + ... + 3371298.

Almost surely, 267425770 is an apocalyptic number.

67425770 is a deficient number, since it is larger than the sum of its proper divisors (53940634).

67425770 is a wasteful number, since it uses less digits than its factorization.

67425770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742584.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 67425770 is about 8211.3196259797. The cubic root of 67425770 is about 407.0133349892.

The spelling of 67425770 in words is "sixty-seven million, four hundred twenty-five thousand, seven hundred seventy".

Divisors: 1 2 5 10 6742577 13485154 33712885 67425770