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68030224 = 244251889
BaseRepresentation
bin1000000111000…
…00111100010000
311202000021220221
410003200330100
5114403431344
610430042424
71454150563
oct403407420
9152007827
1068030224
1135446129
121a949414
131112c092
14906c4da
155e8c184
hex40e0f10

68030224 has 10 divisors (see below), whose sum is σ = 131808590. Its totient is φ = 34015104.

The previous prime is 68030219. The next prime is 68030269. The reversal of 68030224 is 42203086.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 46240000 + 21790224 = 6800^2 + 4668^2 .

It is a super-2 number, since 2×680302242 = 9256222754980352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125929 + ... + 2125960.

It is an arithmetic number, because the mean of its divisors is an integer number (13180859).

Almost surely, 268030224 is an apocalyptic number.

It is an amenable number.

68030224 is a deficient number, since it is larger than the sum of its proper divisors (63778366).

68030224 is a wasteful number, since it uses less digits than its factorization.

68030224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251897 (or 4251891 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 68030224 is about 8248.0436468292. The cubic root of 68030224 is about 408.2259737560.

The spelling of 68030224 in words is "sixty-eight million, thirty thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 4251889 8503778 17007556 34015112 68030224