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67463969 = 307921911
BaseRepresentation
bin1000000010101…
…10101100100001
311200221112011112
410001112230201
5114232321334
610405553105
71446301646
oct401265441
9150845145
1067463969
1135099751
121a715795
1310c91411
148d61dcd
155dc94ce
hex4056b21

67463969 has 4 divisors (see below), whose sum is σ = 67488960. Its totient is φ = 67438980.

The previous prime is 67463951. The next prime is 67464011. The reversal of 67463969 is 96936476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-67463969 is a prime.

It is a super-2 number, since 2×674639692 = 9102774226465922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67463909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7877 + ... + 14034.

It is an arithmetic number, because the mean of its divisors is an integer number (16872240).

Almost surely, 267463969 is an apocalyptic number.

It is an amenable number.

67463969 is a deficient number, since it is larger than the sum of its proper divisors (24991).

67463969 is a wasteful number, since it uses less digits than its factorization.

67463969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24990.

The product of its digits is 1469664, while the sum is 50.

The square root of 67463969 is about 8213.6452930474. The cubic root of 67463969 is about 407.0901827940.

The spelling of 67463969 in words is "sixty-seven million, four hundred sixty-three thousand, nine hundred sixty-nine".

Divisors: 1 3079 21911 67463969