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68346998 = 253644783
BaseRepresentation
bin1000001001011…
…10010001110110
311202121101110022
410010232101312
5114444100443
610440525142
71456640246
oct404562166
9152541408
1068346998
1135642125
121aa807b2
1311210315
149111b26
156000e68
hex412e476

68346998 has 8 divisors (see below), whose sum is σ = 104455008. Its totient is φ = 33528664.

The previous prime is 68346991. The next prime is 68347001. The reversal of 68346998 is 89964386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×683469982 = 9342624271224008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68346991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322286 + ... + 322497.

It is an arithmetic number, because the mean of its divisors is an integer number (13056876).

Almost surely, 268346998 is an apocalyptic number.

68346998 is a deficient number, since it is larger than the sum of its proper divisors (36108010).

68346998 is a wasteful number, since it uses less digits than its factorization.

68346998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644838.

The product of its digits is 2239488, while the sum is 53.

The square root of 68346998 is about 8267.2243225886. The cubic root of 68346998 is about 408.8586101106.

The spelling of 68346998 in words is "sixty-eight million, three hundred forty-six thousand, nine hundred ninety-eight".

Divisors: 1 2 53 106 644783 1289566 34173499 68346998