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68855802 = 23293071289
BaseRepresentation
bin1000001101010…
…10011111111010
311210120020101220
410012222133322
5120111341202
610455452510
71464156531
oct406523772
9153506356
1068855802
113595a424
121b087136
131135aaa2
149205318
1560a1abc
hex41aa7fa

68855802 has 32 divisors (see below), whose sum is σ = 143035200. Its totient is φ = 22071168.

The previous prime is 68855777. The next prime is 68855803. The reversal of 68855802 is 20855886.

It is a super-2 number, since 2×688558022 = 9482242938126408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68855803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52774 + ... + 54062.

It is an arithmetic number, because the mean of its divisors is an integer number (4469850).

Almost surely, 268855802 is an apocalyptic number.

68855802 is an abundant number, since it is smaller than the sum of its proper divisors (74179398).

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

68855802 is a wasteful number, since it uses less digits than its factorization.

68855802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 68855802 is about 8297.9396237861. The cubic root of 68855802 is about 409.8706750555.

The spelling of 68855802 in words is "sixty-eight million, eight hundred fifty-five thousand, eight hundred two".

Divisors: 1 2 3 6 29 58 87 174 307 614 921 1289 1842 2578 3867 7734 8903 17806 26709 37381 53418 74762 112143 224286 395723 791446 1187169 2374338 11475967 22951934 34427901 68855802