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68701650 = 23524111171
BaseRepresentation
bin1000001100001…
…00110111010010
311210021101221120
410012010313102
5120041423100
610452303110
71462645233
oct406046722
9153241846
1068701650
1135864626
121b011a96
1311305884
1491a508a
1560710a0
hex4184dd2

68701650 has 48 divisors (see below), whose sum is σ = 174551328. Its totient is φ = 17872000.

The previous prime is 68701643. The next prime is 68701657. The reversal of 68701650 is 5610786.

It is an interprime number because it is at equal distance from previous prime (68701643) and next prime (68701657).

It is not an unprimeable number, because it can be changed into a prime (68701657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565 + ... + 11735.

It is an arithmetic number, because the mean of its divisors is an integer number (3636486).

Almost surely, 268701650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68701650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87275664).

68701650 is an abundant number, since it is smaller than the sum of its proper divisors (105849678).

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

68701650 is a wasteful number, since it uses less digits than its factorization.

68701650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11227 (or 11222 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 68701650 is about 8288.6458483880. The cubic root of 68701650 is about 409.5645783947.

The spelling of 68701650 in words is "sixty-eight million, seven hundred one thousand, six hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 41 50 75 82 123 150 205 246 410 615 1025 1230 2050 3075 6150 11171 22342 33513 55855 67026 111710 167565 279275 335130 458011 558550 837825 916022 1374033 1675650 2290055 2748066 4580110 6870165 11450275 13740330 22900550 34350825 68701650