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68467624 = 238558453
BaseRepresentation
bin1000001010010…
…11101110101000
311202211111220221
410011023232220
5120011430444
610443255424
71460652031
oct405135650
9152744827
1068467624
1135714815
121ab1a574
13112531b4
149143a88
156026a84
hex414bba8

68467624 has 8 divisors (see below), whose sum is σ = 128376810. Its totient is φ = 34233808.

The previous prime is 68467603. The next prime is 68467631. The reversal of 68467624 is 42676486.

It can be written as a sum of positive squares in only one way, i.e., 42640900 + 25826724 = 6530^2 + 5082^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4279219 + ... + 4279234.

Almost surely, 268467624 is an apocalyptic number.

It is an amenable number.

68467624 is a deficient number, since it is larger than the sum of its proper divisors (59909186).

68467624 is a wasteful number, since it uses less digits than its factorization.

68467624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8558459 (or 8558455 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 68467624 is about 8274.5165417685. The cubic root of 68467624 is about 409.0990010281.

The spelling of 68467624 in words is "sixty-eight million, four hundred sixty-seven thousand, six hundred twenty-four".

Divisors: 1 2 4 8 8558453 17116906 34233812 68467624