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68460747 = 3127179687
BaseRepresentation
bin1000001010010…
…10000011001011
311202211011111020
410011022003023
5120011220442
610443203523
71460623005
oct405120313
9152734436
1068460747
113570a633
121ab165a3
1311250024
149141375
1560249ec
hex414a0cb

68460747 has 8 divisors (see below), whose sum is σ = 92000256. Its totient is φ = 45280872.

The previous prime is 68460737. The next prime is 68460761. The reversal of 68460747 is 74706486.

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

It is not a de Polignac number, because 68460747 - 212 = 68456651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68460699 and 68460708.

It is not an unprimeable number, because it can be changed into a prime (68460737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89463 + ... + 90224.

It is an arithmetic number, because the mean of its divisors is an integer number (11500032).

Almost surely, 268460747 is an apocalyptic number.

68460747 is a deficient number, since it is larger than the sum of its proper divisors (23539509).

68460747 is a wasteful number, since it uses less digits than its factorization.

68460747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179817.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 68460747 is about 8274.1009783541. The cubic root of 68460747 is about 409.0853037122.

The spelling of 68460747 in words is "sixty-eight million, four hundred sixty thousand, seven hundred forty-seven".

Divisors: 1 3 127 381 179687 539061 22820249 68460747