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68552898 = 2361187303
BaseRepresentation
bin1000001011000…
…00100011000010
311202222211220020
410011200203002
5120022143043
610445154310
71461455451
oct405404302
9152884806
1068552898
1135772897
121ab5b996
1311282c5b
149166b98
156041e83
hex41608c2

68552898 has 16 divisors (see below), whose sum is σ = 139354176. Its totient is φ = 22476240.

The previous prime is 68552881. The next prime is 68552909. The reversal of 68552898 is 89825586.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68552898.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93286 + ... + 94017.

It is an arithmetic number, because the mean of its divisors is an integer number (8709636).

Almost surely, 268552898 is an apocalyptic number.

68552898 is an abundant number, since it is smaller than the sum of its proper divisors (70801278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68552898 is a wasteful number, since it uses less digits than its factorization.

68552898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187369.

The product of its digits is 1382400, while the sum is 51.

The square root of 68552898 is about 8279.6677469570. The cubic root of 68552898 is about 409.2687700046.

The spelling of 68552898 in words is "sixty-eight million, five hundred fifty-two thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 61 122 183 366 187303 374606 561909 1123818 11425483 22850966 34276449 68552898