Search a number
-
+
68029504 = 2610312
BaseRepresentation
bin1000000111000…
…00110001000000
311202000020221021
410003200301000
5114403421004
610430035224
71454145514
oct403406100
9152006837
1068029504
1135445634
121a948b14
131112b95a
14906c144
155e8bd54
hex40e0c40

68029504 has 21 divisors (see below), whose sum is σ = 135127111. Its totient is φ = 33981760.

The previous prime is 68029501. The next prime is 68029541. The reversal of 68029504 is 40592086.

It is a happy number.

The square root of 68029504 is 8248.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68029504.

It is not an unprimeable number, because it can be changed into a prime (68029501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 65469 + ... + 66499.

Almost surely, 268029504 is an apocalyptic number.

68029504 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

68029504 is the 8248-th square number.

It is an amenable number.

68029504 is a deficient number, since it is larger than the sum of its proper divisors (67097607).

68029504 is an frugal number, since it uses more digits than its factorization.

68029504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The cubic root of 68029504 is about 408.2245335935.

The spelling of 68029504 in words is "sixty-eight million, twenty-nine thousand, five hundred four".

Divisors: 1 2 4 8 16 32 64 1031 2062 4124 8248 16496 32992 65984 1062961 2125922 4251844 8503688 17007376 34014752 68029504