Search a number
-
+
68265650 = 2521365313
BaseRepresentation
bin1000001000110…
…10011010110010
311202110020212102
410010122122302
5114434000100
610435100402
71456151135
oct404323262
9152406772
1068265650
1135596aa2
121aa41702
13111b229b
1490d021c
155ed6cd5
hex411a6b2

68265650 has 12 divisors (see below), whose sum is σ = 126974202. Its totient is φ = 27306240.

The previous prime is 68265647. The next prime is 68265653. The reversal of 68265650 is 5656286.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68265647) and next prime (68265653).

It can be written as a sum of positive squares in 3 ways, for example, as 66308449 + 1957201 = 8143^2 + 1399^2 .

It is not an unprimeable number, because it can be changed into a prime (68265653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 682607 + ... + 682706.

Almost surely, 268265650 is an apocalyptic number.

68265650 is a deficient number, since it is larger than the sum of its proper divisors (58708552).

68265650 is a wasteful number, since it uses less digits than its factorization.

68265650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365325 (or 1365320 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 68265650 is about 8262.3029477259. The cubic root of 68265650 is about 408.6963350757.

The spelling of 68265650 in words is "sixty-eight million, two hundred sixty-five thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 1365313 2730626 6826565 13653130 34132825 68265650