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68427450 = 23352713557
BaseRepresentation
bin1000001010000…
…01111010111010
311202202110211000
410011001322322
5120004134300
610442345430
71460423640
oct405017272
9152673730
1068427450
1135697613
121aabb276
131123ab20
149133190
156019c00
hex4141eba

68427450 has 192 divisors, whose sum is σ = 232485120. Its totient is φ = 14411520.

The previous prime is 68427409. The next prime is 68427481. The reversal of 68427450 is 5472486.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 122572 + ... + 123128.

It is an arithmetic number, because the mean of its divisors is an integer number (1210860).

Almost surely, 268427450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68427450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116242560).

68427450 is an abundant number, since it is smaller than the sum of its proper divisors (164057670).

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

68427450 is a wasteful number, since it uses less digits than its factorization.

68427450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 68427450 is about 8272.0886117111. The cubic root of 68427450 is about 409.0189711890.

The spelling of 68427450 in words is "sixty-eight million, four hundred twenty-seven thousand, four hundred fifty".