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68467601 = 211324491
BaseRepresentation
bin1000001010010…
…11101110010001
311202211111220002
410011023232101
5120011430401
610443255345
71460651666
oct405135621
9152744802
1068467601
11357147a4
121ab1a555
1311253197
149143a6d
156026a6b
hex414bb91

68467601 has 4 divisors (see below), whose sum is σ = 68792304. Its totient is φ = 68142900.

The previous prime is 68467591. The next prime is 68467603. The reversal of 68467601 is 10676486.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10676486 = 25338243.

It is a cyclic number.

It is not a de Polignac number, because 68467601 - 218 = 68205457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68467603) 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, 162035 + ... + 162456.

It is an arithmetic number, because the mean of its divisors is an integer number (17198076).

Almost surely, 268467601 is an apocalyptic number.

It is an amenable number.

68467601 is a deficient number, since it is larger than the sum of its proper divisors (324703).

68467601 is a wasteful number, since it uses less digits than its factorization.

68467601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324702.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 68467601 is about 8274.5151519591. The cubic root of 68467601 is about 409.0989552192.

The spelling of 68467601 in words is "sixty-eight million, four hundred sixty-seven thousand, six hundred one".

Divisors: 1 211 324491 68467601