Search a number
-
+
68460645 = 3511414913
BaseRepresentation
bin1000001010010…
…10000001100101
311202211011100110
410011022001211
5120011220040
610443203233
71460622501
oct405120145
9152734313
1068460645
113570a550
121ab16519
131124cc76
149141301
156024980
hex414a065

68460645 has 16 divisors (see below), whose sum is σ = 119495232. Its totient is φ = 33192960.

The previous prime is 68460599. The next prime is 68460653. The reversal of 68460645 is 54606486.

It is not a de Polignac number, because 68460645 - 27 = 68460517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207292 + ... + 207621.

It is an arithmetic number, because the mean of its divisors is an integer number (7468452).

Almost surely, 268460645 is an apocalyptic number.

It is an amenable number.

68460645 is a deficient number, since it is larger than the sum of its proper divisors (51034587).

68460645 is a wasteful number, since it uses less digits than its factorization.

68460645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414932.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 68460645 is about 8274.0948145401. The cubic root of 68460645 is about 409.0851005460.

The spelling of 68460645 in words is "sixty-eight million, four hundred sixty thousand, six hundred forty-five".

Divisors: 1 3 5 11 15 33 55 165 414913 1244739 2074565 4564043 6223695 13692129 22820215 68460645